蹬鼻子上臉

1. • lit. to climb all over sb
2. • fig. to take advantage of sb's weakness

Character by character

• 蹬(dēng)step on
• 鼻(bí)nose
• 子(zi)noun suffix, as in 椅子 yǐzi "chair"
• 上(shàng)up
• 臉(liǎn)face