Definitions

1. 1. lit. to drop a thousand zhang in one fall (idiom)
2. 2. fig. (of business, popularity etc) to suffer a sudden, devastating decline
3. 3. to take a dive

Components

• 一 yī – one
• 落 luò – to fall or drop
• 千 qiān – thousand
• 丈 zhàng – measure of length, ten Chinese feet (3.3 m)