eat up 吃光
eat out 外出就餐
eat in 在家吃饭
eat away 吃光；持续消耗
eat one's words 食言
eat one's heart out 极度悲伤
eat into 侵蚀；侵蚀（资源）
eat on 吃；影响
eat up and down 狼吞虎咽
1. Don't eat off the floor, it's dirty.
别坐在地板上吃东西，那里很脏。
2. He just ate off the counter because he was in a hurry.
他因为赶时间，就直接在柜台上吃东西了。
3. She loves to eat off wooden boards instead of plates.
她喜欢用木板而不是盘子来吃食物。
4. The dog ate off the table while we weren't looking.
我们没注意的时候，狗在桌上偷吃了东西。
5. Stop eating off your sleeve; use a napkin.
别拿袖子擦嘴吃，用一下餐巾纸。
A: Why is there food on the table surface?
A：为什么桌面上有食物痕迹？
B: I was just eating off the board because the plate was too small.
B：我只是在砧板上吃，因为盘子太小了。
1) 用非餐具物品垫着吃
2) 形容吃饭姿势随意或狼狈
3) 在口语中可能指快速吃完
1. 用（盘子、面包等）垫着吃；直接用手拿着吃
e.g.
He sat on the grass and ate off a piece of cardboard.
他坐在草地上，用一块硬纸板垫着吃东西。
phrase
1. To eat food directly from a surface or object that is not a standard plate, often implying informality or lack of etiquette.
2. To consume food in a hasty or messy manner.
Synonym: eat up, consume