скромничать(You've worked long and hard to get where you're going and to become the expert you are in your area of expertise. Why keep hiding your light under a basket? VLZ_58)
шкуру спустить с(кого-либо: "What can I do, Holmes? Of course, it was that damned fellow who set them on. I'll go and thrash the hide off him if you give the word." (Sir Arthur Conan Doyle) – Я с него шкуру / три шкуры спущу, если прикажете.ART Vancouver)