閉口

へいこうheikou

suru verb · intransitive · noun · na-adjective

1. to be stumped
2. to be at a loss
3. to be at one's wits' end
4. to be nonplussed
5. to be fed up
6. to be tired (of)
7. to be unable to bear
8. to be annoyed

Study it in Yanamino