hold on:
vt. 抓住(继续,坚持,忍受)
例句与用法:
1. They managed to hold on until help arrived.
他们设法坚持住直到有救援到来.
2. Hold on a minute while I get my breath back.
停一停, 让我喘口气.
3. I'd hold on to that house for the time being; house prices are rising sharply at the moment.
目前我不能出让那所房子, 此刻房价正在急剧上涨.
4. I don't think I can hold on much longer.
我觉得自己坚持不了多长时间了.
5. You should hold on to your oil shares.
你应该继续保留著石油股份.
6. This knob is only held on by sellotape.
这个旋钮只是用透明胶带固定住的.
7. He held on (to the rock) to stop himself slipping.
他紧紧抓住（岩石）以免自己往下滑.
8. These nuts and bolts hold the wheels on.
这些螺帽和螺栓把轮子固定住了.
英英解释:
动词hold on:
1. hold firmly
同义词：grasp
2. stop and wait, as if awaiting further instructions or developments
同义词：stop
3. be persistent, refuse to stop
同义词：persevere, persist, hang in, hang on
4. hold the phone line open
同义词：hang on, hold the line
5. retain possession of
同义词：keep
hold out:
伸出
例句与用法:
1. The forthcoming talks hold out the hope of real arms reductions.
即将举行的会谈给实现真正的裁军带来了希望。
2. Doctors hold out little hope of her recovering.
医生帮助她康复的希望甚微。
3. How long can we hold out against these attacks?
我们对这些攻击能抵抗多久?
英英解释:
名词hold out:
1. a negotiator who hopes to gain concessions by refusing to come to terms
同义词：holdout
2. a refusal by a negotiator to come to terms in the hope of obtaining a better deal
同义词：holdout
3. the act of hiding playing cards in a gambling game so they are available for personal use later
同义词：holdout
动词hold out:
1. thrust or extend out
同义词：exsert, stretch out, put out, extend, stretch forth
2. stand up or offer resistance to somebody or something
同义词：resist, withstand, stand firm
3. last and be usable
同义词：wear, endure
4. wait uncompromisingly for something desirable
5. continue to live; endure or last
同义词：survive, last, live, live on, go, endure, hold up
参考资料：字典