strenuous

形容词

1. 1

   费力的、剧烈的、吃力的

   The doctor told him to avoid strenuous exercise for a month.

   医生叫他一个月内避免剧烈运动。

2. 2

   积极的、不懈的、强烈的多用于名词前

   The company made strenuous efforts to win back its customers.

   公司积极努力想把客户争取回来。