第一次英语翻译为：for the first time。

例：

For the first time, a woman will be the keynoter at the convention this year.

在今年的大会上将首次由一位女士当主要发言人。

扩展资料

For the first time in many years, I got carded.

这么多年来，头一回有人要我出示身份证。

House prices are rising for the first time since November.

房价自11月以来首次上涨。

There is no feeling on earth like winning for the first time.

初尝胜利滋味的感觉真是无可比拟。