- 放空炮 fàngkōngpào to spout hot air(literal) to fire blank shots; (figurative) to talk big, make empty promises, or be all talk and no action; to spout hot air
- 放空气 fàngkōngqì to drop a hintTo intentionally create a certain atmosphere or spread rumors to mislead others or test their reaction; to put out feelers; to create a false impression.
- 放空挡 fàngkōngdǎng to coast in neutralto coast along in neutral gear while driving a vehicle