unsure

US /ʌnˈʃʊr/
UK /ʌnˈʃʊr/
"unsure" picture
1.

不確定, 不肯定

not certain or confident about something

:
I'm unsure about the best way to proceed.
不確定如何最好地進行。
She felt unsure of herself before the presentation.
她在演示前感到不確定