pig out 狼吞虎咽;
eat up 吃光;
eat out 上馆子吃;
eat in 在家吃饭;
eat like a bird 吃得很少;
grab a bite 随便吃几口;
I'm full 我吃饱了;
be on a diet 节食;
overeat 吃得太多;
swallow 吞咽;
chew 咀嚼;
staple food 主食
