lit. Sow melon and you get melon, sow beans and you get beans (idiom) / fig. As you sow, so shall you reap. / One must live with the consequences of one's actions. / You've made your bed, now must lie on it.
瓜田不纳履,李下不整冠
guā tián bù nà lu:3 , lǐ xià bù zhěng guān
lit. don't tie your shoelaces in a melon patch, and don't adjust your hat under a plum tree (idiom) / fig. don't do anything that might arouse suspicion / innocent acts may be misconstrued
lit. if you have to use force to break a melon off the vine, it won't taste sweet (because it's only when the melon is ripe that it can be removed with just a slight twist) (idiom) / fig. if sth is not meant to be, it's no use trying to force it to happen