up in the air

形容词 adj. 副词 adv.
中文释义

英文释义

形容词 adj.
  1. Not yet resolved, finished, answered, decided or certain. idiomatic
    — I think I can do it quickly, but the exact schedule is still up in the air.
副词 adv.
  1. Used other than figuratively or idiomatically: see up, in, the, air. not-comparable
    — He threw the ball high up in the air.

词形变化

more up in the air comparative most up in the air superlative
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