魚與熊掌 [ㄩˊ ㄩˇ ㄒㄩㄥˊ ㄓㄤˇ; yu2 yu3 xiong2 zhang3]
lit. the fish and the bear's paw, you can't have both at the same time (idiom, from Mencius); fig. you must choose one or the other
you can't always get everything you want
you can't have your cake and eat it
◄ ►