1. hesitate vi. 犹豫，踌躇，不愿 hesitation n. 踌躇；犹豫不决
hesitate to do sth. 做某事犹豫不决
hesitate about (doing)sth. 对某事犹豫不决
without hesitation毫不犹豫地
1). He hesitated before he answered because he didn’ t know what to say. 他在回答之前犹豫了一下，因为他不知道说什么。
2). Don’ t hesitate about that. Do it at once. 对于那件事不要再犹豫了。马上去做吧。
