Translation of "Valentine's" in Chinese

Today is Valentine's Day.

今天是情人节

I hate being alone on Valentine's Day.

我讨厌在情人节一人独处。

On February 14 Americans celebrate St. Valentine's Day.

美国人在2月14日庆祝情人节。

I'm angry with my boyfriend for forgetting about Valentine's Day.

我为我男朋友忘了情人节对他生气。

For Valentine's day, I used rose petals to spell out my sweetheart's name.

在情人节，我用玫瑰花瓣拼出了我的另一半的名字。