be fastened; fasten 固定住; 扣上; 绑紧
*This skirt does up at the back. 这条裙子是在後面系扣的. do oneself up (infml 口) make oneself more attractive by putting on make-up, different clothes, etc 藉梳妆打扮、穿奇装异服等使自己格外引人注目. do sth up
(a) fasten (a coat, skirt, etc) with buttons, a zip, etc （用扣子、拉链等）固定（外套、裙子等）
*He never bothers to do his jacket up. 他总是不愿意系外衣的钮扣.
* She asked me to do up her dress for her at the back. 她要我给她把衣服从後面系上.
(b) make sth into a parcel or bundle; wrap or tie sth up 把某物打成包裹或捆扎在一起; 包住或捆扎某物
*She was carrying a parcel of books done up in brown paper. 她提　一个棕色的纸包, 里面是书.
(c) repair, redecorate or modernize (a house, room, etc) 修理、重新装饰或以现代化设备装修（房子、房间等）
*If we decide to buy the cottage we'll have to do it up. 我们若决定购买这座别墅, 就得重新进行装修.
* We're having the kitchen done up. 我们正用现代化设备装修厨房.