as to

prep.关于

例句与用法：

May I be so bold as to ask how old you are?

可否冒昧问一下您多大年纪？

Listen carefully so as to follow the teacher.

要仔细听才能听懂老师讲的课。

I lay down not so much to sleep as to think.

我躺下来与其说是要睡觉，倒不如说是要思考。

His behaviour soon undeceived her as to his true intentions.

他的行为很快就使她明白了他的真实意图。

The teacher must exercise his own discretion, as to the methods of teaching.

至于采用哪种教学方法，教师应该自行决定。

At worst we'll have to sell the house so as to settle our debts.

实在没办法我们就得把房子卖了还债。

As to intelligence, the boy has more than he can possibly make use of.

至于那男孩的才智，多得他都用不完。

We left for the station so early as to catch the first train.

我们很早就动身去车站以便赶上头班火车。

详细释义：

至于; 关于

As to that, they haven't decided yet.

关于那一点, 他们还未作决定。