- latch on
 - 占有;抓住;理解
 
参考例子
           - 1.We really don't latch on to what he talked about.
 - 我们真弄不懂他说的是什么。
 
- 2.Position the latch on the hood inner panel.
 - 把锁闩定位在引擎罩内板上。
 
- 3.He's on fool, he'll latch on soon enough to what you are doing.
 - 他可不是傻瓜,他很快就会看出你这是在干什么。
 
英文解释
           - v.
 - 1.take hold of or attach to
 - 2.adopt
 - 3.understand, usually after some initial difficulty
 
网络释义
               - latch on
 - 扣上; 抓住; 抓住,占有,理解; 来劲了;
 
- latch on to
 - 注意听,理解;
 
- latch on to get hold of
 - 抓住; 理解;
 
- on the latch
 - (门)关着但不上锁; 上着活栓;