单词off colour
adj.: 身体不舒服；气色不佳；不适；（笑话）粗俗的
网络: 色差；色泽不佳；精神不好
身体不舒服；气色不佳；不适:
not in good health; looking or feeling ill/sick
（笑话）粗俗的，下流的:
anoff-colour joke is one that people think is rude, usually because it is about sex
精神不振
What"s the matter with you? You look off colour.
你怎么了？你的脸色看上去很不好。
I"m sorry not to have contacted you sooner but I"ve been off colour for the last few days.
我很遗憾没有早点和你取得联系，不过前几天中我一直身体不舒服。
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）
Advertisers would not want their products flagged alongside anything off-colour or embarrassing.
广告商不会希望他们的产品悬在下流的或让人不安的东西旁边。
The vat dyes in shade pitching is selected by the method of dyeing rate constant, and the problems of off colour are solved satisfactory.
用上染速率常数方法选择拼用还原染料，可方便快捷地解决色花的产生。
You look a bit off-colour today. You"d better take some rest.
你今天看来有点不适，还是休息一下吧。
You look a bit off colour today.
你今天的脸色不太好。
He felt off-colour but did not have any dramatic symptoms.
他觉得不太舒服，但是又没什么明显的症状。
Jo seems a little off colour today.
乔今天好像身体有点不舒服。
He is feeling rather off colour this morning.
今天早上他觉得身体有点不舒服。