脱线 Traditional form: 脫線 Pinyin (reading): tuōxiàn Definitions: derailment to jump the track (of train) to derail Characters: 脱 - to take off, to shed; to escape from 线 - line, thread, wire; clue, trail Traditional characters: 脫 - to take off, to shed; to escape from 線 - line, thread, wire; clue, trail