/ˌrɛzəˈveɪʃən/
[C] an arrangement for a seat on a plane or train, a room in a hotel, etc. to be kept for you 预订；预约
I’ll call the restaurant and make a reservation.
我要给餐厅打个电话预订座位。
We have a reservation in the name of Grant.
我们是以格兰特的名字预订的。
[C, U] a feeling of doubt about a plan or an idea 保留意见；疑惑 SYN misgiving
I have serious reservations about his ability to do the job.
我非常怀疑他有没有能力胜任这项工作。
They support the measures without reservation (= completely).
他们毫无保留地支持这些措施。
(also re·serve) [C] an area of land in the US that is kept separate for Native Americans to live in （美国为美洲土著居民划出的）保留地，居留地
[U] = reservation policy