behind用法与搭配_学习方法网
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1. be behind with [in] 拖欠，拖延，不能如期完成。如：
He is never behind with [in] his work. 他工作从不拖拉。
He was behind in [with] his rent. 他拖欠了房租。
He helped a classmate who was behind with his homework. 他帮助一位没有按时完成作业的同班同学。
2. be behind in doing sth 做某事不落在后面。如：
The boy is behind in handing in homework. 这孩子没能按时交家庭作业。
He was never behind in offering suggestions. 他提建议从来不落在别人后面。
3. from behind 从后面。如：
He held her from behind. 他从后面抱住她。
They attacked us from behin ...