unreserved
adj
1 (of seats, etc) not reserved for or allocated to a particular personin advance (指座位等)未被预订的, 未保留的
We alwayskeep a few unreserved tables. 我们总留几张桌子不预订出去.
2 (fml 文) without any holding back; complete 无保留的; 完全的
Do I have your unreserved attention? 你是完全听著我说话呢吗?