毛病 (máo bìng) means “fault; defect; shortcomings; ailment”. It is an HSK 5 Chinese word in the HSK 3.0 vocabulary.
Measure word: 个
这台机器经常出毛病,需要找专业人员维修。
Zhè tái jīqì jīngcháng chū máobìng, xūyào zhǎo zhuānyè rényuán wéixiū.
This machine often has problems and needs professional personnel to repair it.
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