铆劲儿
词典make a sudden all-out effort：铆劲儿；卯劲儿。
1. 躲在后面的小花兔一瞅，事不好，赶紧跑过去，伸手揪住小白兔的一条腿，和过来的小灰鸽一铆劲儿，就把小白兔从水坑里拽了上来。
Hiding behind the rabbit one take a look at the flowers, something bad, ran to the past, reaching grabbed a small white rabbit leg, and over a small gray doves a riveting hammer, put a small white rabbit pulled from the water hole where the ranks.
2. 你就铆劲儿吃，你说吃能吃多少钱哪。
Eat as much as you want, it ain't gonna be a big deal anyway.