be behind with

• adj. 积压(拖欠)

be behind with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. I've fallen behind with my correspondence.
   我积压了许多信没回。