hesitant
adj
tending to be slow inspeaking or acting because of uncertainty or unwillingness犹豫的; 踌躇的; 迟疑的
a hesitant reply, manner, voice, speaker 犹疑不决的回答、 举棋不定的样子、 结结巴巴的声音、 说话吞吞吐吐的人
I'm rather hesitant about signing this. 我不大愿意签这个字.
Yes, I see. How can they get rid of waste water in this way? What a terrible colour the sea is now! It looks as if our class won't be able to bathe at all.