acetabularia
例句
Doctor:Right. Well, we'll just have a look. Uh, Sir, has he been a bit off colour lately.
医生： 好。我们就来看一看。唔，先生，他近来是不是精神有点不好（身体有些不舒服）
He denies making off-colour remarks about women.
他否认曾经说过关于女性的污言秽语。
《柯林斯英汉双解大词典》
Yes, you look a bit off-colour.
是的，你看起来气色不太好。
