[ niújìn ] 1.(大力气) great strength; tremendous effort 2.(牛脾气) stubbornness; obstinacy; tenacity; strong-willed 短语和例子 这小伙子有股牛劲, 干一件事就非干到底不可。 the lad is strong-willed; once he starts doing something, he won't leave off until he's finished it.他那股牛劲上来了, 一时不容易说服。 when he's in his stubborn mood, he isn't easily talked round