1、Bitter, sharp, ill-natured animosity, especially as it is exhibited in speech or behavior.
刻薄，激烈尖銳，嚴厲的恨意，尤指表現(xiàn)在言語或行為上。

2、An insipid or ill-natured person.
討厭的家伙令人乏味且脾氣壞的人

3、Pay no attention to ill-natured remarks about you.
不要在意和你相關的不良評論。

ill-natured翻譯