yǐ zhì以至down to; up to; to such an extent thatHSK 6 · Frequency 4.1Meaningsdown to; up toso... that; to such an extent thatExample sentences他太忙了,以至忘记了吃饭。雨下得太大,以至路面积水严重。她激动得说不出话来,以至泪流满面。