1) Crows are not always Black
乌鸦未必尽黑
2) not necessarily all correct; Everything is not necessarily correct.
未必尽对
3) corvoline
碱性乌鸦黑
4) The kettle calls the pot black.
乌鸦笑猪黑。
5) as Black as crow
像乌鸦一样黑
6) The accuser having the same fault as the person he is accusing
锅笑壶黑;乌鸦笑猪黑
补充资料：未必
1.不一定。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条