exertion

英[ig'zə:ʃən]美[ig'zə:ʃən]

n.
1.努力；费力
2.（能力、权力等的）运用；行使

同：	[n.] effort, elbow grease, sweat, travail

Frothy saliva produced especially as a result of physical exertion or a pathological condition.
口沫由于消耗体力或病理状况而产生的泡沫状唾液收藏
When I am in trouble, I usually send out a pain signal only after undue exertion or emotion
当我处境窘困时，我一般只在过度紧张或情绪过分激动后才发出痛的信号。收藏
His shirt was wet with sweat from the exertion of doing so many unaccustomed things at once
一下子得干那么许多不习惯的事，叫他吃力得衬衫都汗湿了。收藏
She fail to unlock the safe in spite of all her exertion.
她虽然费尽力气，仍未能将那保险箱的锁打开。收藏
Physical or mental weariness resulting from exertion.
疲劳由于费力而引起的身体或精神上的虚弱收藏

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use of physical or mental energy; hard work
- he got an A for effort
- they managed only with great exertion
[同] effort, elbow grease, exertion, sweat, travail

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