Meaning of chāi:
拆
to tear open; to tear down; to tear apart; to open
Xiǎomíng hěn gāoxìng de qù chāi kāi tā de shēngrì lǐwù.
小明很高兴地去拆开他的生日礼物。
Xiaoming happily went to tear open his birthday present.
Zhè zuò lǎo fángzi zhōngyú bèi chāi chúle.
这座老房子终于被拆除了。
This old house has finally been torn down.
Tāmen juédìng míngtiān kāigōng, bǎ zhè dòng jiù fángzi chāi diào.
他们决定明天开工,把这栋旧房子拆掉。
They decided to start work tomorrow to tear down this old building.
Tā xiǎoxīn de chāi kāi le kuàidì bāoguǒ.
他小心地拆开了快递包裹。
He carefully opened the delivery package.