1 [C] a seat, table, room, etc that you have booked （座位、桌子、房间等的）预订: We have reservations in the name of Petrovic. 我们以彼得罗维奇的名字预订了几个房间。I'll phone the restaurant to make a reservation. 我会打电话给餐馆订一张桌子。

2 [C,U] a feeling of doubt about sth (such as a plan or an idea) （对某计划或想法的）保留态度，存疑: I have some reservationsabout letting Julie go out alone. 我对让朱莉单独出门不大放心。