老虎钳

yī bǎ lǎo hǔ qián

一把老虎钳

a pair of pliers

nǎ pà zhǐ yǒu kě tiáo jié de bān shou cái zòu xiào shí yě yī yàng bù yào yòng lǎo hǔ qián lái nǐng luó mǔ

哪怕只有可调节的扳手才奏效时，也一样不要用老虎钳来拧螺母。

Never use pliers on a nut, while an adjustable spanner should only be used as last resort.