falter

He faltered when he saw the difficult question.

彼は難しい質問を見たときにためらった。

He faltered as he walked on the icy path.

彼は氷の道を歩くときによろめいた。

He faltered during his speech.

彼はスピーチの途中で口ごもった。

There was a falter in his voice as he spoke.

彼が話すときに声にためらいがあった。

His falter was noticeable as he walked on the slippery floor.

彼が滑りやすい床を歩くときに彼のよろめきは目立った。

There was a falter in his speech during the interview.

インタビュー中に彼のスピーチには口ごもりがあった。