扣上 Traditional form: 扣上 Pinyin (reading): kòushàng Definitions: to buckle up to fasten Characters: 扣 - to detain; to knock, to tap; button 上 - above, on top, superior; to go up; to attend; previous Traditional characters: 扣 - to detain; to knock, to tap; button 上 - above, on top, superior; to go up; to attend; previous