用法:
1 movable panel or screen that can be closed over a window to keep out light or thieves 活动的窗板或窗帘; 百叶窗; 遮板:
The shop-front is fitted with rolling shutters. 那商店的店面装有卷动门帘.

用法:
2 device that opens to allow light to come through the lens of a camera （照相机镜头的）快门.

用法:
3 (idm 习语) put up the `shutters (infml) stop doing business at the end of the day or permanently 停止营业（一日结束时的或永久性的）:
After managing the shop for thirty years she decided it was time to put up the shutters. 她经营这个商店已三十年了, 认为应该停业了. shutter 2
v [Tn esp passive 尤用於被动语态] close the shutters of (a building); provide with shutters 关闭（建筑物）的窗板; 装上窗板:
The house was empty and shuttered. 这所房子是空的, 窗板都关上了.

• at leisure(at one's leisure)
• at longest(at most)
• at night(in the night)
• at no time(in no time)
• at once(all at once)
• at one time(for a time)
• at one's back(on one's back)
• at one's best(in one's best)
• at one's discretion(to one's discretion)
• at one's heels(on one's heels, under one's heel)
• at one's pleasure(with pleasure)
• at one(in one)
• at one(to one)
• at pains(at the pains)
• at peace(in peace)
• at play(in play)
• at pleasure(at one's pleasure)
• at quiet(in quiet)
• at quiet(on the quiet)
• at risk to(at the risk of)
• at risk(at one's (own) risk)
• at sb's command(in sb's command)
• at school(in school)
• at sight of(at the sight of, in sight of)
• at sight(in sight)