faʊl adj
1
SMELL/TASTE
气味/味道
a foul smell or taste is very unpleasant 难闻的,恶臭的; 难吃的;
2
in a foul mood/temper
in a very bad temper and likely to get angry [英] 情绪不好/发脾气 BrE
3
AIR/WATER
空气/水
very dirty 肮脏的,污浊的