zài / shí / lì / xuán / shū / de / bǐ / sài / zhōng / mào / rán / tiǎo / zhàn / qiáng / duì / wú / yì / yú / yǐ / luǎn / jī / shí

在实力悬殊的比赛中贸然挑战强队，无异于以卵击石。

Taking on a much stronger team recklessly is like trying to crack a rock with an egg.