zyc50 发表于 2007-8-13 07:23:46

up in the air

not yet settled, very uncertain, not yet determined
e.g.
1) left everything up in the air
2) plans are still up in the air
In a television interview, Bush said it is ''up in the air'' whether the nation can ever be fully safe from another terror attack and suggested terrorists may still be contemplating ways to disrupt the election.

james.tang 发表于 2007-8-13 10:57:50

LZ，查了一下网络，叫“悬而未决”，看你这样子，应该是直接从词典中COPY出来的吧
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