No wind, no waves
W ú f à ngs à NCH à L à ng, which means that things can happen for no reason. There is a saying to the contrary: no fire without wind.
Supplementary documentary evidence
"The case of Di Gong" says: "now that Zhang changzong is in power, his people are not domestic slaves. They are like tigers and wolves. There is no wind and waves. They bully the common people like chickens and dogs."
Idiom explanation
It means that things happen without reason.
Examples of Idioms
It's really windless. They often make things windless for their people to discuss openly.
No wind, no waves
sexual indulgence injures vitality - fá xìng zhī fǔ
Looking to the East, you can't see the west wall - dōng xiàng ér wàng ,bù jiàn xī qiáng