表示拒絶别人给予的食物或饮料
used to refuse the offer of food or drink
  "Can I get you a drink?" "No, I'm all right, thanks." “你想喝点什么?”“不用了,谢谢。” 
 "Do you need anything else?" "We're all right, thanks."
 "Let me get you some pizza." "No, I'm all right - I've just had my lunch."
 See also: all right adjective adverb (ABLE TO MANAGE)
 - More examples
 - "More cake, Meg?" "No, I'm all right."
 - "Would you like to try the soup?" "No, thank you, I'm all right."