The strenuous rural trip was deeply impressed by the participants.

这次艰苦的乡村之旅给参加者留下了深刻的印象。

After strenuous work, I finally succeeded in accomplishing the plan.

经过艰苦的努力，我终于成功完成了计划。

Drawing repetitive patterns is a very long and strenuous process.

绘制重复的图案是一个非常漫长而费力的过程。

Each success comes from strenuous efforts.

每次成功的背后都是艰辛的付出

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

为改善那家监狱里的条件已做了艰苦的努力。

She made strenuous efforts to tame her anger.

她竭力压制心头怒火。

The ship went down although strenuous efforts were made to save it.

尽管人们为营救这条船做了很大的努力，它还是沉了。

The rest is strenuous process.

剩下的可就是繁琐的过程了。

Three years of running this strenuous marathon.

紧张的马拉松式长跑的三年。