断弦

widowed / lit. broken string, cf 琴瑟[qin2 se4] qin and se, two instruments epitomizing marital harmony

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

bow string / string of musical instrument / watchspring / chord (segment of curve) / hypotenuse / CL:根[gen1]