Meaning of mǔ zhǐ:
mǔ zhǐ
拇指
Noun
thumb; big toe
Qǐng yòng nǐ de mǔzhǐ àn zhǐwén shìbiéqì.
请用你的拇指按指纹识别器。
Please use your thumb to press the fingerprint scanner.
Tā de dà mǔzhǐ zài tīqiú shí shòushāng le.
他的大拇指在踢球时受伤了。
His big toe got injured while playing soccer.