Definition: not sure or not able to decide about something Level: B2
我不确定是否要申请那份工作。
I'm ___uncertain whether to apply for that job or not.
她对接受邀请感到犹豫不决。
She was ___uncertain about accepting the invitation.
我对新政策的具体细节感到不确定。
I feel ___uncertain about the new policy details.
