我们见过很多想把英语学好的同学，虽然热情满满，但一说到行动时却总是犹犹豫豫、推三阻四地拖沓。
don't hesitate to do something
hesitate about / over
（对某事）犹豫不决; 踌躇；迟疑；犹豫；顾虑；疑虑；
【En】to pause before saying or doing something because you are nervous or not sure. 因为紧张或不确定而在说话或做某事前停顿。
If you hesitate, you do not speak or act for a short time, usually because you are uncertain, embarrassed, or worried about what you are going to say or do. 如果你犹豫不决，你会在短时间内没有说话或行动，通常是因为你不确定，尴尬，或担心你将要说或做的事情。
【Scenario Listening 场景听力】
● Kay hesitated for a moment and then said ‘yes’.
凯犹豫了一会儿，然后说“是的”。
● He was still hesitating over whether to leave or not.
他还在犹豫要不要离开。
● The phone rang. Catherine hesitated, debating whether to answer it.
电话响了。凯瑟琳犹豫着，考虑着要不要接。
● She hesitated a long time and then she said 'Yes'.
她犹豫了很长时间，然后才说“行”。
● I hesitated to apply the word 'vulnerable' to him but it came into my mind.
我不愿用“脆弱”这个词来形容他，但我还是想到了这个词。
● I will not hesitate to take unpopular decisions.
我会毫不犹豫地作出并不受欢迎的决定。
● In the event of difficulties, please do not hesitate to contact our Customer Service Department.
如果遇到困难，请随时与我们的客户服务部联系。
● Please don't hesitate to tell either Mr Schrader or myself should you feel ill again.
如果你再觉得不舒服，请随时告诉施瑞德先生或我。
● Do not hesitate to laugh at anything you find amusing.
如果你觉得好笑，尽管笑吧。
【Scenario Example 场景示例】
● If you need anything, don't hesitate to call me.
如果你需要什么，马上给我打电话。
● When they reached the door she hesitated and threw him a pleading look.
他们走到门口时，她犹豫了一下，向他投去恳求的目光。
● "Do you love me?" she asked. He hesitated and then said, "I'm not sure."
“你爱我吗？”她问道。他犹豫了一下，然后说：“我不确定。”
● She hesitated slightly before answering the detective's question.
在回答警察的问题之前，她稍稍犹豫了一下。
● He lifted his hand, hesitating, but withdrew it again and sat awhile, quite still.
他迟疑地举起手来，但又缩回来，静静地坐了一会儿。
● She hesitated for a moment before replying.
她犹豫了一会儿才回答。
● Had we hesitated much longer, we might not even have had the spot on the rooftop.
如果我们再犹豫久一点，我们可能连屋顶上的位置都没有了。
● Paul started to speak but hesitated, searching for just the right words.
保罗开始说话，但犹豫了，找不到合适的字眼。
● Barry stood at the door, hesitating. Should he walk straight in or knock?
巴里站在门口，犹豫着。他应该径直走进来还是敲门?
大多数女孩对这种事都不会犹豫。