Meaning of mù:
木
surname Mu; (bound form) tree; (bound form) wood
Zhāng lǎoshī zài jièshào yī wèi xīn tóngxué, xìng mù.
张老师在介绍一位新同学,姓木。
Teacher Zhang is introducing a new student whose surname is Mu.
Yuànzi lǐ de nà kē gǔlǎo de mù chǎnshēngle xǔduō huíyì.
院子里的那棵古老的木产生了许多回忆。
The old tree in the yard has generated many memories.
Zhè zhāng zhuōzi shì yòng mùtou zuò de.
这张桌子是用木头做的。
This table is made of wood.
unresponsive; numb; wooden
Tā zài tīngdào zhège xiāoxi shí biàn dé fēicháng mù.
他在听到这个消息时变得非常木。
He became very unresponsive upon hearing the news.