单词hard-knock
Not open, you will not spend more strong, hard knock it a few!
打不开，你就不会多用些劲，使劲敲它几下！
Lock mouth and low level of technology not level off is smooth, even some still have caused the extrusion hard knock against trace.
锁口工艺水平低，不平整光滑，甚至有的还有硬器挤压磕碰造成的凹痕迹。
Right now, there is little choice between limited subsistence farming and hard-knock migration.
现在除了靠务农维持生计或移民搬迁之外没有多少选择。
The hard knock made her cry.
沉重的一击使她哭了。
Through my Hard Knock Life time
来自于我的艰苦生活