腹の中で笑う (はらのなかでわらう) Japanese meaning | KotomoraMeanings
1
expression, godan verb (-u)
laugh to oneself; smile to oneself
Describes inwardly laughing or smiling without showing it outwardly; often used when one finds something secretly amusing or ironic.
を
し
て
い
た
が
、
腹
の
中
で
笑
っ
て
い
た
。
I kept a straight face in front of my boss, but I was laughing inside.