hold on和hang on的联系是，都表示“等一等”的意思。
hold on和hang on的区别为：指代不同、用法不同、侧重点不同。
一、指代不同
1、hold on：稍等，等一下。
2、hang on：等一会儿，稍等，（面对困难或阻力）坚持不懈。
二、用法不同
1、hold on：hold的基本意思是“保持某一位置或状态”，指因个人心愿或被迫滞留或耽误不放。引申可指“托住，支持”“掌握权力，担任职务”“容纳，包含有”“正式举行〔办〕”“拥有财产，占据,守住”“持…见解，怀有激情”“认为，相信”“抑制，保留”“遵守诺言”等 。
2、hang on：hang的基本意思是“悬”“挂”，一般指把某物悬挂在高处或线上，由此下垂并能够摆动，引申可表示某物依赖于他物的状态，某物缠在或贴在他物之上的状态以及一切能使人由悬挂的情景联想到的事物或状态。hang还可作“吊死，绞死”解。
三、侧重点不同
1、hold on：多用于电话用语。
2、hang on：一般不用于电话里使用。
温馨提示：答案为网友推荐，仅供参考
第1个回答 推荐于2017-10-11
一、hold on的含义和用法
1．grasp；hold tightly to sth．抓住
Hold on to my hand while we cross the street．过马路时，抓住我的手。
It's pretty windy．You'd better hold on to your hat．风很大，你最好抓住你的帽子。
2．continue；go on继续
We held on our way．我们继续赶路。
Rain held on steadily all afternoon.雨下了整整一个下午。
3．wait and not hang up a telephone（电话）别挂掉
When he left the telephone to find a pencil， he asked me to hold on．离开电话找铅笔的时候，他让我别挂掉。
Could you hold on a minute？你能等一会儿，不要挂掉电话好吗？
4． keep on with a business or job in spite of difficulties； endure不顾困难继续经营；继续坚持；忍受
It was hard to keep the store going during the depression， but he held on and at last met with success．经济不景气时生意很难维持，但是他继续经营，最后终于成功。
If he can just hold on a little longer， we can get help to him．如果他能再坚持一会儿，我们就可以帮助他了。
The soldiers held on in that isolated position for more than two hours.战士们孤军奋战，坚持了两个多小时。
5．wait a minute；stop（usu．used as a command）等一下；停止（常用于命令式）
Hold on！I can't hear what you are saying．等一等！我听不清楚你在说什么。
Just hold on a second while I get my breath back．等一下，让我喘口 气。
二、hang on的含义和用法
1．continue listening on a telephone继续听电话；不要挂断
Please hang on a second；I'll look for the manager and tell him you are on the phone for him．请稍等片刻，不要挂掉，我去找经理并告诉他你在电话里等他。
2．lean or support oneself upon倚；靠
Her head hanging on her mother's arm，the girl fell asleep．这女孩倚在她妈妈怀里，睡着了。
3．persevere；continue doing sth．坚持；坚忍；继续做
It is a hard task，but if you hang on，you will succeed in the end．任务虽然艰巨，但如果你坚持下去，你最终是会成功的。
4．cling to；hold on to sth．tightly抓住；握紧
The climber almost fell off the cliff，but managed to hang on until help came．登山者差点掉下悬崖，但他设法抓住崖边直到有人救他。
5．depend on；wait on 取决于；依赖于；有待于
Everything hangs on his decision．一切取决于他的决定。
It all hangs on whether he is willing to cooperate with us．一切都取决于他是否愿意和我们合作。
6．listen with fascination听得着迷；注意听
The students hung on his every word．学生们全神贯注地听着他的每一句话。
Everyone was hanging on his answer，but he kept silent．大家都在注意听他怎么回答，但他却一直不吭声。
7．continue to sound；continue to cause suffering继续响着；继续存在（疾病）
The concert had come to an end，but the strains of music seemed to hang on in our ears．音乐会已经结束，但乐曲声似乎仍在我们耳边回荡。
My cold has hung on for weeks，I just can't shake it off．我感冒已经好几个星期，就是好不了。
1．grasp；hold tightly to sth．抓住
Hold on to my hand while we cross the street．过马路时，抓住我的手。
It's pretty windy．You'd better hold on to your hat．风很大，你最好抓住你的帽子。
2．continue；go on继续
We held on our way．我们继续赶路。
Rain held on steadily all afternoon.雨下了整整一个下午。
3．wait and not hang up a telephone（电话）别挂掉
When he left the telephone to find a pencil， he asked me to hold on．离开电话找铅笔的时候，他让我别挂掉。
Could you hold on a minute？你能等一会儿，不要挂掉电话好吗？
4． keep on with a business or job in spite of difficulties； endure不顾困难继续经营；继续坚持；忍受
It was hard to keep the store going during the depression， but he held on and at last met with success．经济不景气时生意很难维持，但是他继续经营，最后终于成功。
If he can just hold on a little longer， we can get help to him．如果他能再坚持一会儿，我们就可以帮助他了。
The soldiers held on in that isolated position for more than two hours.战士们孤军奋战，坚持了两个多小时。
5．wait a minute；stop（usu．used as a command）等一下；停止（常用于命令式）
Hold on！I can't hear what you are saying．等一等！我听不清楚你在说什么。
Just hold on a second while I get my breath back．等一下，让我喘口 气。
二、hang on的含义和用法
1．continue listening on a telephone继续听电话；不要挂断
Please hang on a second；I'll look for the manager and tell him you are on the phone for him．请稍等片刻，不要挂掉，我去找经理并告诉他你在电话里等他。
2．lean or support oneself upon倚；靠
Her head hanging on her mother's arm，the girl fell asleep．这女孩倚在她妈妈怀里，睡着了。
3．persevere；continue doing sth．坚持；坚忍；继续做
It is a hard task，but if you hang on，you will succeed in the end．任务虽然艰巨，但如果你坚持下去，你最终是会成功的。
4．cling to；hold on to sth．tightly抓住；握紧
The climber almost fell off the cliff，but managed to hang on until help came．登山者差点掉下悬崖，但他设法抓住崖边直到有人救他。
5．depend on；wait on 取决于；依赖于；有待于
Everything hangs on his decision．一切取决于他的决定。
It all hangs on whether he is willing to cooperate with us．一切都取决于他是否愿意和我们合作。
6．listen with fascination听得着迷；注意听
The students hung on his every word．学生们全神贯注地听着他的每一句话。
Everyone was hanging on his answer，but he kept silent．大家都在注意听他怎么回答，但他却一直不吭声。
7．continue to sound；continue to cause suffering继续响着；继续存在（疾病）
The concert had come to an end，but the strains of music seemed to hang on in our ears．音乐会已经结束，但乐曲声似乎仍在我们耳边回荡。
My cold has hung on for weeks，I just can't shake it off．我感冒已经好几个星期，就是好不了。
第2个回答 推荐于2017-10-15
hold on
v.1.继续;守摊
He held on his studies until he graduated from college.
他继续学习直到他大学毕业.
2.抓住
3.等一等
na.1.迟迟
He held off from answering directly.
他迟迟不作直接答复.
2.且慢
Hold on--wait a minute.
且慢--等一等.
3.支持住
4.别挂断电话
5.紧握
hang on
v.1.坚守;守住;坚持;支撑着;坚持下去;熬过去;拖下去
They had no operational plan except to hang on.
他们除坚守以外并没有其他作战计划.
2.紧握着
3.取决于
na.1.耐心等待
Well,hang in there.
好啦,耐心等待.
2.缠;纠缠;纠缠不清;藕断丝连;依恋
I have all this hanging on my mind.
所有这些紧紧缠在我的心上.
3.制服;认真地听
I knew we had no real offense to hang on him.
我知道我们没有掌握他什么犯罪的真凭实据来制服他.
4.持续;沿袭下去
Life hangs on a long time.
生命一般是持续好一会儿的.
5.不撒手;赖着不走。本回答被提问者和网友采纳
v.1.继续;守摊
He held on his studies until he graduated from college.
他继续学习直到他大学毕业.
2.抓住
3.等一等
na.1.迟迟
He held off from answering directly.
他迟迟不作直接答复.
2.且慢
Hold on--wait a minute.
且慢--等一等.
3.支持住
4.别挂断电话
5.紧握
hang on
v.1.坚守;守住;坚持;支撑着;坚持下去;熬过去;拖下去
They had no operational plan except to hang on.
他们除坚守以外并没有其他作战计划.
2.紧握着
3.取决于
na.1.耐心等待
Well,hang in there.
好啦,耐心等待.
2.缠;纠缠;纠缠不清;藕断丝连;依恋
I have all this hanging on my mind.
所有这些紧紧缠在我的心上.
3.制服;认真地听
I knew we had no real offense to hang on him.
我知道我们没有掌握他什么犯罪的真凭实据来制服他.
4.持续;沿袭下去
Life hangs on a long time.
生命一般是持续好一会儿的.
5.不撒手;赖着不走。本回答被提问者和网友采纳
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