play the fool

US /pleɪ ðə fuːl/
UK /pleɪ ðə fuːl/
"play the fool" picture
1.

ふざける, ばかげたことをする

to behave in a silly or foolish way, often to entertain others or to avoid responsibility

:
Stop playing the fool and take this seriously.
ふざけるのはやめて、真剣に受け止めてください。
He was always playing the fool to make his friends laugh.
彼はいつも友達を笑わせるためにふざけていた