过硬過硬

guò yìng

HSK 等级: HSK 7–9

释义

to have perfect mastery of sth; to be up to the mark

在应用里学习 → 按笔顺书写

汉字

过guòpass; to go across, to pass through辶寸硬yìngfirm, hard, strong; obstinate石更