托底 Traditional form: 托底 Pinyin (reading): tuōdǐ Definitions: to support the bottom of sth (fig.) to provide a safety net Characters: 托 - to raise, to support; to entrust, to rely on 底 - bottom, underside; below, underneath Traditional characters: 托 - to raise, to support; to entrust, to rely on 底 - bottom, underside; below, underneath