fàng​bu​xià

cannot let go

放不下 fàng​bu​xià
cannot let go verb
to be unable to stop worrying about or to remain emotionally attached to someone or something

Even after all these years, he still can't let go of the past.

no room verb
to have no room to put something or be unable to fit something into a space

The trunk is full; it can't hold anything else.

Frequency

Written text
8.48 per million

Sources

Definitions
CC-CEDICT
Frequency data
BCC Corpus (BLCU)