斷層線

geological fault line

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

fault (geology) / CL:道[dao4],個|个[ge4] / (fig.) gap / rupture (in the transmission of some skill) / (tomography) cross-sectional

to pile on top of one another / layer; stratum / floor (of a building); story / (math.) sheaf / classifier for layers

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