听筒

telephone receiver / headphone / earphone / earpiece / stethoscope

smile (archaic)

(literary pronunciation, still advocated in Taiwan) to rule / to sentence / to allow

to listen to; to hear / to heed; to obey / a can (loanword from English "tin") / classifier for canned beverages / to let be; to allow (Taiwan pr. [ting4]) / (literary) to administer; to deal with (Taiwan pr. [ting4])

tube / cylinder / to encase in sth cylindrical (such as hands in sleeves etc)

variant of 筒[tong3]