/'trɒlɪ; `trɑlɪ/
n (pl ~s)
1 cart on wheels that can be pushed or pulled along and is used for moving goods 手推车; 手拉车
*a `luggage trolley 运送行李的手推车
* a `shopping trolley, eg in a supermarket 购物手推车（如超级市场中的）.
2 small table on wheels for transporting or serving food, etc （运或送食物等用的）脚轮车, 台车
*a `tea-trolley 茶具车. =>illus at App
1 见附录1插图, page xvi.
3 small low truck running on rails, used eg by workmen repairing tracks 在铁轨上行驶的小车（如查道车）.
4 (also `trolley-wheel) small wheel or other device making contact between an electrically powered vehicle and an overhead cable （电动车辆与架空电缆接触的）触轮或其他设备.
5 (US) = tram.

n[C]

[Date: 1800-1900; Origin: Probably from troll 'cart' (17-19 centuries), from troll 'to roll' (15-19 centuries)]
BrE a large basket on wheels that you use for carrying bags, shopping etc
American Equivalent: cart
　a supermarket trolley
BrE a small table on wheels used for serving food
American Equivalent: cart
　a drinks trolley
　the sweet trolley (=one for serving sweet dishes, cakes etc in a restaurant)
AmE an electric vehicle for carrying passengers which moves along the street on metal tracks
British Equivalent: tram
a trolleybus
be off your trolley
BrE informal humorous to be crazy