名詞 exertion:

1. use of physical or mental energy; hard work
   同義詞：effort, elbow grease, travail, sweat

1. Physical or mental exertion, especially when difficult or exhausting; work.
   勞動體力或腦力的運用，尤指出現(xiàn)困難或精疲力盡時; 工作
2. He failed to lift the rock in spite of all his exertions.
   他雖竭盡全力，但仍然未能將那石頭搬起來。
3. Now that I'm 90, I find the exertions of travelling too great.
   我已經年屆90, 出遠門已力不從心。

ex.er.tion

n.（名詞）
The act or an instance of exerting, especially a strenuous effort.See Synonyms at effort
發(fā)揮：運用的行為或事例，尤指全力以赴的努力參見 effort