何况

HSK 7-9

hékuàng

for even more reason

to say nothing of; besides; what's more

他连中文都不会何况英文。

tā lián zhōngwén dōu bù huì hékuàng yīngwén。

He doesn't even know Chinese, let alone English.

他都考不及格何况是期末考试。

tā dōu kǎo bù jígé hékuàng shì qīmò kǎoshì。

He failed the mid-term exams, much less the final exam.