事必躬亲
see or attend to everything oneself;give personal attention to everything,big or small
事必躬亲shì bì ɡōnɡ qīn
必:一定;躬亲:亲自。不管什么事情,一定亲自去干。形容办事非常认真,作风十分踏实;也指不放心让别人干,得自己去做。see to everything oneself, take care of every single thing personally, attend to everything personally