kiss the rod

见 kiss

make a rod for one's own back

do something likely to cause difficulties for oneself later

自讨苦吃，自找麻烦

rule someone or something with a rod of iron

control or govern someone or something very strictly or harshly

严加控制，对…实行专制统治

spare the rod and spoil the child

(proverb)if children are not physically punished when they do wrong their personal development will suffer

(谚)孩子不打不成器