jiǎ rú nǐ bù xiǎng pèng dīng zi,jiù bié qù qiú tā bāng máng
假如你不想碰钉子,就别去求他帮忙。If you don’t want to be brushed off, forget about asking him to give you a hand.
bù lǎo shi de rén fēi pèng dīng zi bù kě
不老实的人非碰钉子不可。A dishonest person is bound to meet with setbacks sooner or later.
yào shì wǒ,wǒ jiù bù huì qù pèng zhè gè dīng zi
要是我,我就不会去碰这个钉子。If I were you, I wouldn’t run my head against a brick wall.