Avoid strenuous exercise in the evening.

晚上不要做剧烈运动。

These trips were strenuous, and the couple did not enjoy them.

一路舟车劳顿，这对夫妇玩得并不开心。

Strenuous efforts had been made to improve conditions in the jail.

已经做了大量的努力来改善监狱的条件。

Despite strenuous objections by the right wing, the grant was agreed.

尽管右翼分子极力反对，拨款还是通过了。