Meaning of fǎn cháng:
fǎn cháng
反常
Adjective
unusual; abnormal
Zuìjìn de tiānqì fēicháng fǎncháng.
最近的天气非常反常。
The recent weather is very unusual.
Zuótiān de tiānqì hěn fǎncháng, yīnwèi xiàtiān jūrán xià xuě le.
昨天的天气很反常,因为夏天居然下雪了。
Yesterday's weather was very abnormal because it snowed in summer.