聽牆根兒

erhua variant of 聽牆根|听墙根[ting1 qiang2 gen1]

(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])

wall / CL:面[mian4],堵[du3]

to eavesdrop / to listen in secret to sb's conversations

foot of a wall

root / basis / classifier for long slender objects, e.g. cigarettes, guitar strings / CL:條|条[tiao2] / radical (chemistry)

child / son

non-syllabic diminutive suffix / retroflex final