1. 令人不快的;让人恶心的
If someone describes the appearance of something as bilious, they mean that they think it looks unpleasant and rather disgusting.
2. 感觉不舒服的;恶心头痛的
If you feel bilious, you feel sick and have a headache.
3. 暴躁的;狂怒的;脾气坏的
Bilious is sometimes used to describe the feelings or behaviour of someone who is extremely angry or bad-tempered.