breakoff notch

例句：

1. 1. The car's engine broke off at the last gear.
   汽车的引擎在最后一个档位上断开了。
2. 2.The rock was too heavy for her to climb over, so she had to find a break in the wall.
   这块石头太重，她爬不过去，所以她得在墙上找到一个缺口。
3. 3. The hunter found a break in the forest that led him to the deer.
   猎人在森林里发现了一个缺口，顺着这个缺口他找到了鹿。