うっ

うっ

An exclamation expressing surprise, pain, or discomfort.

Here 'うっ' is used as an interjection expressing surprise or sudden realization.

うっ、突然声が聞こえて驚いた。

Ugh! Suddenly, I heard a voice and was startled.

In this example, 'うっ' conveys a sense of disbelief or puzzlement when hearing or considering the information shared.

彼の答えを聞いてうっ、それはありえないと思った。

Upon hearing his answer, ugh, I thought, that is impossible.

Here 'うっ' reflects a sense of being taken aback or reacting to an unexpected development in conversation.

私の話がすぐに打ち切られて、うっと息を呑んだ。

My speech was abruptly cut off, and ugh, I gasped in reaction.