1. 那口旧井有危险，我们必须把它填死。
We must close up the old well; it's dangerous.
2. 后来马路拓宽，把河填死了了。
Later, the road widened to fill dead river in.
3. 我把那个水池填死了，因为它太危险了。
I closed up the pool, because it is dangerous.
4. 他填死了一个老鼠洞。
He stopped up a mouse-hole.