想不到
unexpected; hard to imagine; it had not occurred to me; who could have thought that
想不通
unable to understand; unable to get over
想不开
cannot figure out; to be unable to take a lighter view; to take things too hard; to be depressed; to fret over trifles
意想不到
unexpected; previously unimagined
酒香不怕巷子深
fragrant wine fears no dark alley (idiom); quality goods need no advertising