He knowingly broke the law, he's got no excuse.他触犯法律是明知故犯, 没有任何可以开脱的借口。

I've never knowingly taken illegal drugs.我从来没有过明知是违禁药物还服用的情况。

The girls laughed at the joke and looked knowingly at each other.女孩们被笑话逗乐了, 心照不宣地看着彼此。