yú​bèn

clumsy

愚笨 yú​bèn
clumsy adjective
awkward or slow in movement or execution

His movements seemed a bit clumsy and not flexible enough.

stupid adjective
lacking intelligence, common sense, or wit

This stupid mistake could have been avoided.

Frequency

Movie subtitles
1.28 per million appears in 1% of films
Written text
0.599 per million

Sources

Definitions
CC-CEDICT