开线 Traditional form: 開線 Pinyin (reading): kāixiàn Definitions: to come unsewn to split at the seam Characters: 开 - to open; to start, to initiate, to begin 线 - line, thread, wire; clue, trail Traditional characters: 開 - to open; to start, to initiate, to begin 線 - line, thread, wire; clue, trail