hung back是什么意思 hung back怎么读
hung back的用法和样例
- I asked him to have a try, but he hung back.
我要他试一下，但他迟疑不定。 - My friend promised me to help me if we meet any wild beasts when we travelled through a forest, but when the bear came up, he hung back.
我的朋友答应，一旦我们在穿越森林时遇见野兽，他一定帮助我。但是当熊走近时，他却退缩了。
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