1.piled up 堆积

例句:Work has piled up during his absence.
在他离开期间工作堆积起来了。

2.filled with 充满

例句:His voice filled with fatherly concern.
他的声音充满了慈父般的关切。

3.point out 指出

例句:He is keen to point out the benefits which the family network can provide.
他很乐意指出家庭网络可以带来的好处。

4.caught up with 入迷；赶上；捕获

例句:We caught up with the nuns.
我们赶上了修女们。