nonplused
🇺🇸
/ˌnɑːnˈplʌst/
🇬🇧
/ˌnɒnˈplʌst/
Feeling unsure and surprised, not knowing how to react.
When she asked for a raise, he was completely nonplussed and didn't know how to respond.
그녀가 급여 인상을 요청했을 때 그는 완전히 당황하여 어떻게 대처해야 할지 몰랐다.