准贷记卡是指持卡人须先按发卡银行请求交存一定金额的备用金(a shot in the locker)（其实这个备用金你立刻就可以全部取走的，跟没存没多少区别），当备用金账户余额缺乏支付时，可在发卡银行规定的信用额度内透支...
2
?最后一颗炮弹
... 最后一笔 a finishing stroke 最后一颗炮弹a shot in the locker 最后作品 swan song ...
3
?最后的办法
... 最后的办法a shot in the locker 最后的努力 last hurrah 最后的完成工作 copestone ...
双语例句
1
Don't give up hope while there's ashotinthelocker.
不到最后关头不要放弃希望（不见棺材不掉泪）。
2
In fact, he's the perfect glue guy on a winning team, because he plays great defense, makes the open jumper and never takes a bad shot or makes a stink inthelocker room.