unnerve
🇺🇸
/ˌʌnˈnɜːrv/
🇬🇧
/ˌʌnˈnɜːv/
to make someone feel nervous or less confident
The thought of speaking in front of so many people is enough to unnerve anyone.
そんなに多くの人々の前で話すという考えだけで誰でも緊張する。