Meaning of xiū:
xiū
咻
Onomatopoeia
call out; jeer
Tā xiàng jiàn yīyàng xiū de pǎo zǒu le.
他像箭一样咻地跑走了。
He ran away swiftly like an arrow.
Tā zhǐyào yī chūxiàn, jiù huì tīngdào guānzhòng de xiū shēng.
他只要一出现,就会听到观众的嘘声。
As soon as he appeared, he would hear the audience's jeers.