定冠词的特殊使用情况用在某些固定词组中。allthesame仍然allthetime一直alltheyearround一年到头attheageof在……岁时atthebeginningof起初;开始attheendof在……的尽头/末尾attheentranceof在……门口atthefootof在……脚下attheheadof在……的前面atthemoment此刻atthesametime同时bythesideof在……附近bythetime到时候bytheway顺便说catchthepost赶上邮班dotheshopping/washing买东西/洗衣服give...themessage捎口信给……gototheclassroom去教室intheend最后;终于inthehat戴帽子的inthemiddleoftheday中午inthemorning/afternoon/evening在上午/下午/晚上intheopenair在户外;在野外jumpthequeue不按次序排队leadthewayto引路;指路lookthesame看起来很像ontheearth在地球上tellthetruth说实话thedayaftertomorrow后天thedaybeforeyesterday前天thehighjump跳高thelongjump跳远thenextday第二天thenextyear下一年thepeople人民thestartingline起跑线