Terms for subject Idiomatic containing he knows

English	Russian
he knows on which side his bread buttered	у него губа не дура
he knows what is what	он не лыком шит (VLZ_58)
he knows what's good for him	у него губа не дура
he knows where home is	он всегда возвращается домой (девушка говорит о парне-изменнике, который в итоге постоянно приходит к ней обратно: "Whatever, he only fucks with these other hoes cus he’s bored. at the end of the day, he knows where home is" – "LMFAOOO you sure about that???" urbandictionary.com Shabe)
he knows where home is	дорогу домой он не забывает (Shabe)
he knows which way is up	он не лыком шит (VLZ_58)
he surely knows his onions when he speaks about	он знает, о чём говорит (Coun. Steve Hayes is another councillor whose words are weighty when it comes to Birkenhead's situation. He was taken to the town at age two and he surely knows his onions when he speaks about the town. (YouTube) ART Vancouver)