单相思

wǒ hài pà nǐ duì tā zhǐ shì dān xiāng sī

我害怕你对她只是单相思。

I'm afraid your love for her is an unrequited one.

tā biǎo xiàn de xiàng gè hài dān xiāng sī de shào nián

他表现得像个害单相思的少年。

He was acting like a lovelorn teenager.

nǐ bié dān xiāng sī le

你别单相思了！

Forget your unrequited love!

zhè shì yī gè dān xiāng sī de gù shi

这是一个单相思的故事。

It is a story of unrequited love.