挂 ㄍㄨㄚ ˋ guà 钩 ㄍㄡ gōu 掛 ㄍㄨㄚ ˋ guà 鉤 ㄍㄡ gōu hook (on which to hang sth) to couple to link together to establish contact with hook coupling links (e.g. between two railway coaches)