斷線

(of a guitar, kite etc) to have a string break / (of a tradition etc) to be discontinued / (telephone or Internet connection) disconnected / cut off

to break / to snap / to cut off / to give up or abstain from sth / to judge / (usu. used in the negative) absolutely / definitely / decidedly

thread / string / wire / line / CL:條|条[tiao2],股[gu3],根[gen1] / (after a number) tier (unofficial ranking of a Chinese city)

continuous and patient effort (idiom)

a kite with cut string (idiom); fig. gone beyond recall

bolt cutter