当头棒喝

wǒ men bì xū duì tā de tí yì dāng tóu bàng hè

我们必须对他的提议当头棒喝。

We'll have to knock his proposal on the head.

zhè cì cuò bài shì yīng dé de chéng fá dàn yě shì yǒu yì de dāng tóu bàng hè

这次挫败是应得的惩罚，但也是有益的当头棒喝。

The defeat was a deserved punishment, but also a salutary shock.

yào shi xuǎn shǒu men jué de tā men kě yǐ qīng sōng yíng dé zhè chǎng bǐ sài tā men huì zāo dào dāng tóu bàng hè de

要是选手们觉得他们可以轻松赢得这场比赛，他们会遭到当头棒喝的。

If the players think they can win this match easily, they are in for a rude awakening.