10点45用英语表达是： ten forty-five、a quarter to eleven等。

quarter：n. 四等份之一; (正点之前或之后的)15分钟，一刻钟; 三个月时间; 季度; 季。

eleven：n. 十一; 十一个; 第十一十一。

Flight 105 to Germany takes off at a quarter to eleven a.m..

去德国的105次航班上午十时四十五分起飞。

The last part of that thriller's on the other channel at a quarter to eleven.

10点45分另一个频道有那个惊险故事片的最后一集。

He was here at a quarter to eleven.

他十点三刻的时候在这里。

Still to come, the financial news and the weather at a quarter to two.

稍后是1点45分的财经***和天气预报。

It was a quarter to six

当时是6点差一刻。

We'll gather at the gate of the hotel at a quarter to eight.

我们七点三刻在饭店门口集合。