vt.

1. 拆开检修，大修
   The engines were overhauled completely before our departure.

   在我们出发之前马达都彻底检修过。

2. 全面检查
3. 赶上，追上
   I had no chance of overhauling him.

   我没有赶上他的可能。

n.[C]

1. 彻底检修，大修
2. 详细检查

v.

1. examine (machinery or equipment) and repair it if necessary.
   ▸analyse and improve (a system, process, etc.).
2. Brit. overtake.

n.