out of whack
出故障,不正常;不一致,不相稱
Whack, n.
1. A smart resounding blow. [Colloq.]
2. A portion; share; allowance. [Slang]
-- Out of whack, out of order. [Slang]
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out of whack
adj : out of balance or out of adjustment; "the front wheel of my
bicycle is out of whack"