be behind in

• adj. 积压(拖欠)

be behind in的用法和样例：

例句

用作形容词 (adj.)

1. We must be able to reduce our backlog of claims.
   我们必须有能力处理积压下来的索赔单据。
2. He was terribly behind in his work.
   他积压了大量工作。