chưa

adv  

• Yet, not yet
  • chưa ai tới cả
    nobody has come yet
  • chưa bao giờ
    never before
  • ăn chưa no
    not to have eaten one's fill yet
  • mười hai giờ rồi, đi ngủ chưa?
    it is 12, are you going to bed yet?

• (Particle used in question tags, asking for affirmation)
  • tai hại chưa, trời mưa rồi!
    it is disastrous, isn't it? It has started raining
  • lạ chưa kìa, đến giờ này mà không thấy anh ấy đến?
    it is strange, isn't it, that he has not turned up at this late hour
  • chưa ráo máu đầu
    to be still a chicken