Russian ⇄ English

кто бы сомневался stresses
gen.	that's a given (slater667); who is to say (Elementary); You bet he/she (The insurance company paid then and there.----You bet they did. Yuri Tovbin); etc. + verb (The insurance company paid then and there.----You bet they did. Yuri Tovbin); Of course you did (Zippity)
idiom.	don't I know it (VLZ_58)
inf.	yeah, right (joyand); typical (VLZ_58); who would have any doubt (Val_Ships); few surprises there (george serebryakov)
n.amer.	it figures (Tom was the one who broke the window. – It figures. He's very careless. • Mary was the last one to arrive. – It figures. She's always late. VLZ_58)
slang	you bet (Val_Ships)
кто бы сомневался!
inf.	thanks, cap! (Technical)

кто бы сомневался: 3 phrases in 2 subjects

General	2
Informal	1