1. humor n.
have a (no) sense of humor 有幽默感 a man without humor
adj. humorous a humorous story
2. bitter ① 有苦味的 This kind of food tastes a little bitter.
② 辛酸的, 痛苦的, 厉害的, 剧烈的 bitter fighting 苦战,奋战
bitter experience 惨痛的经验
③ 怀恨的,抱怨的确 bitter words 怨言 bitter enemies 死敌