off-colour
adj. 颜色不佳的；脸色不好的
近义词：unwell，sick，ill，undertheweather，poorly，unfit，indecorous，improper，indiscreet，racy，spicy，suggestive，broad，raunchy，smutty，dirty，off-color，indelicate，
英英释义
Adjective
- in violation of good taste even verging on the indecent;
"an indelicate remark" "an off-color joke"