Question

一棍子打死[yī gùn zi dǎ sǐ]1.■knock sb. down at one stroke; completely negate; deal a fatal blow; finish off with one blow;finish off with a single blow;kill with one blow;shatter at one stroke:Instead of bludgeoning our erring comrades, we should help them with criticism.对犯错误的同志， 要批评帮助， 不能一棍子打死。