让我这个经历过九年制义务教育的大学生来告诉你答案吧!
【含义】
1.tired out:英[ˈtaɪəd aʊt] 美[ˈtaɪərd aʊt]
疲惫; 筋疲力尽;
2.worn out: 英[ˌwɔːn ˈaʊt] 美[ˌwɔːrn ˈaʊt]
adj. 破烂不堪的; 废旧的; 疲惫不堪; 精疲力竭;
【用法】
1.tired out:只有"筋疲力尽"的意思。
If you're tired out by Friday night, sleeping in on Saturday could sound wonderful .
如果你经历了一个疲惫的星期五晚上,星期六睡懒觉听起来很不错。
After dark, he went back home tired out, and said to his family: "I'm so tired today, I was helping the seedlings grow."
天黑以后,他拖着疲惫的身子回到家里,并对家里人说:“今天可把我累坏了,我帮助禾苗长高了。”
2.worn out:worn out有“穿坏、磨损、耗尽”的意思,如果是人被“耗尽”了,那说的就是让人精疲力竭,相当于be tired out。
Can we sit down? I'm worn out.
我们能坐下吗?我都累坏了。
Before the race, he is fine. But afterwards he is worn out.
赛前他状态很好,赛后就筋疲力尽了。