You use wicked to describe someone or something that is very bad and deliberately harmful to people.
例句
She described the shooting as a wicked attack...她稱那次槍擊為惡意襲擊。She flew at me, shouting how wicked and evil I was.她一邊沖向我，一邊還喊著我有多缺德多邪惡。
ADJ-GRADED
淘氣的;惡作劇的
If you describe someone or something as wicked, you mean that they are rather naughty, but in a way that you find attractive or enjoyable.
例句
She had a wicked sense of humour...她有種古靈精怪的幽默感。I adore white chocolate, as it has such a sweet taste and I always feel very wicked when eating it.我喜歡白巧克力，因為它的口味如此香甜，吃的時候總讓我欲罷不能。
英漢詞典釋義
n.
邪惡;惡事;惡毒
to denounce wickedness指責邪惡的行為Don’t try to justify his wickedness.別想法證明他的邪惡行為有道理。