HSK 6
异常
yìcháng形副
unusual; abnormal; extremely; exceptionally
机器发出异常声音后停止运行。
Jī qì fā chū yì cháng shēng yīn hòu tíng zhǐ yùn xíng.
The machine stopped operating after making an unusual sound.
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New in the HSK 3.0 word list at level 6.