After the gruelling test, he felt totally spent.

紧张的考试过后，他感觉筋疲力尽了。

《牛津词典》

He can point to his performance on the campaign trail-a gruelling test of fitness.

他可以指出他竞选活动一路来的表现，这可是对体能严苛的考验啊。

youdao

This can be an advantage for you as you will not take the gruelling test anymore.

这可以是一个优势，为你，你会不会采取艰难的考验了。

youdao

He can point to his performance on the campaign trail a gruelling test of fitness.

ECONOMIST: Lexington

The electric Defender has been received well by experienced Land Rover drivers, including those from the official Land Rover Experience, and it has performed exceptionally well on the rigorous and gruelling Gerotek test facility.

ENGADGET: blogger-avatar

The five-Test series is to be squeezed into a gruelling six-week window.

BBC: SPORT | Cricket | Aussies 'should fear for McGrath'