physical or mental effort 努力;尽力;费力 she was panting with the exertion. 她因使劲而在喘气。 [count noun]a well-earned rest after their mental exertions. 脑力劳累之后他们应得的休息。
the application of a force, influence, or quality 运用;行使;发挥;施加 the exertion of authority. 权力的行使。