- at weekends在周末;
- at the top在顶端
- at the time在那时， 在那段时间;当时;旋;
- at the opposite extreme在另一个极端;
- at the mercy of任…摆布，在…前毫无办法;
- at the latest最晚;至迟;
- at the head ofadv.在…的最前面;
- at (the) best在（最好的）
- at the drop of a hat毫不迟疑地，一有机会就;动不动;
- at the cost付出代价
- at the conclusion of当…完结时;
- at the beginning起初;
- at that point就在那时;
- at that moment在那个瞬间;
- at service在服役
- at present目前，现在;时下;现下;此时;
- at issue在审议[争论]中;
- at home在家;在国内;在家接待客人;精通;
- at a guess猜一下，粗略估计;
- burst at the seams胀破接缝，太满，太挤;
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