- [uncountable]
rude behaviour showing a lack of respect that is surprising because the person behaving badly is not embarrassed 鲁莽；厚颜无耻 - [uncountable] (formal)
a bitter feeling full of hate 怨恨；怨愤 words full of venom and gall 充满恶毒怨恨的话。
- [countable]
a swelling (= an area that is larger and rounder than normal) on plants, trees and the skin of animals, caused by insects, disease, etc. 瘿瘤（植物因受病原刺激或虫害而出现的局部增生） - (also bile)[uncountable] (old-fashioned)
the green-brown liquid with a bitter unpleasant taste that is produced by the liver to help the body to deal with the fats we eat, and that can come into your mouth when you vomit with an empty stomach 胆汁： 肝产生的苦味难闻的绿棕色液体，可帮助人体处理我们所吃的脂肪，空腹呕吐时会进入您的嘴里 - (also bile)[uncountable] (formal)
a strong feeling of anger or hating somebody/something 怨恨；怨愤
Word Originnoun sense 1 and noun sense 4 Old English gealla (denoting bile), of Germanic origin; related to Dutch gal, German Galle ‘gall’, from an Indo-European root shared by Greek kholē and Latin fel ‘bile’. noun sense 2 Old English gealle ‘sore on a horse’, perhaps related to gall ‘rude behaviour’; superseded in Middle English by forms from Middle Low German or Middle Dutch. noun sense 3 Middle English: via Old French from Latin galla.