know through and through; know the background; know the bottom; know the cause of the matter
Example Sentences:
1.
He ' s the only boyyou ' ve ever known 他是唯一一个你知根知底的男人。
2.
But mostly , we keep our distance , because we ' d rather our neighbors know nothing about us . . . than know too much 但大多数情况下，我们都保持距离，因为我们还是宁愿我们的邻居对我们一无所知… …而不是知根知底。
3.
“ givet is a player i know well and one which i would like in my team , ” the former midfielder is quoted as saying by sections of the french press “我对吉维特知根知底，他正是目前我的球队所必须的球员” ，法国媒体引用德尚的原话。
4.
This prowess in modern chipmaking know - how didn t come out of a vacuum - rather , it came out of the hermetically - sealed clean rooms of the most advanced r d department in the semiconductor industry 这种对现代芯片制造知根知底的能力并非是空穴来风，而是来自于半导体工业中最先进的r & d部门的封闭且洁净的实验室。
5.
I remembered it as it was : a good place to live where everybody knew everybody else , located on the banks of a river of transparent water that raced over a bed of polished stones as huge and white as prehistoric eggs 我记忆里的它诚如其所是：一个很好的居住地，大家互相知根知底，就在河岸边，清澈透明的河水流过躺着巨大的、白得像史前时期的鸡蛋一样的石头的河床。
