白駒の隙を過ぐるが如し（はっくのげきをすぐるがごとし）

Japanese vocabulary

Meaning: time flies; like watching a white horse run by through a gap in the wall (Zhuangzi)

See it used in real works

• Example sentences from Japanese novels & web fiction (Massif)
• Hear “白駒の隙を過ぐるが如し” pronounced in real videos (YouGlish)