hem and haw

US /hem ən hɔː/
UK /hem ən hɔː/
"hem and haw" picture
1.

口ごもる, ためらう, 煮え切らない態度をとる

to hesitate or be indecisive, especially when speaking, often by using filler words or avoiding a direct answer

:
When asked about his plans, he started to hem and haw.
彼の計画について尋ねられると、彼は口ごもり始めた
Don't hem and haw, just give me a straight answer.
口ごもらずに、はっきり答えてください。