赵壹读信后， 不顾皇甫规“追修前好”的期待，仅作了一封复信，继续扬长而去。

Zhao read one letter, regardless of Huangfu regulation" to recover repair before the "expectations, only made a reply, left to continue.

运动前和运动后马上做了心电图。

An ECG was done before the exercise and immediately after.

无浊音；有前鼻音和后鼻音；

Northern Dialects have front and back nasals, no voiced.

主下水道被堵住了。

The main drain was blocked.

泥沙已把河口堵住了。

Sand is choking the river.