The examination is near at hand.

考试临近了。

72.  at heart 内心里，本质上

He was a very gentle boy at heart.

他实际上是个非常温柔的男生。

73.  at home在家，在国内；舒适，无拘束；熟悉，精通

(1) Once I had had a baby I had the perfect excuse to stay at home.

一旦有了宝宝，我就完全有理由待在家里了。

(2) He spoke very good English and appeared pleased to us, and we soon felt quite at home.

他英语说得非常好，见到我们显得很高兴，我们很快就不拘束了。

74.  at intervals 不时，每隔...

The doctor visits us at intervals.

医生不时来看我们。

75. at large  逍遥法外的，未被捕获的；详尽的

(1) The arrests also remind us that the enemy is still at large, threatening our safety and security.

他们的被捕还警示我们，我们的敌人仍然逍遥法外，并威胁着我们的安全。

(2) The question was discussed at large.

这个问题已经详细地讨论过了。

76. at least 至少；无论如何，反正

(1) He’s been away for at least a week.

他走了至少有一个星期了。

(2) You should at least try it.

你无论如何应该试一下。

77. at length 最终，终于；充分地，相近地

(1) At length we came back.

我们终于回来了。

(2) They spoke at length, reviewing the entire incident.

他们把事情的整个经过详细地复述了一遍。

78. at no time 从不，决不

At no time did they try to persuade me to suppress the information.

他们从来没有试图劝我隐瞒这个消息。

79. at one time 曾经，一度

At one time the schools were mainly attached to the church.

这些学校曾一度归教会主管。

80. at sb.'s disposal由某人支配，供...使用

He will have a car at his disposal for the whole month.

他将有一辆汽车归他使用一个月。