唉，今天又要加班了。

Āi, jīntiān yòu yào jiābān le.

Sigh, I have to work overtime again today.

唉，我到现在还是单身。

Āi, wǒ dào xiànzài háishi dānshēn.

Sigh, I’m still single even now.

唉，我今天忘带钱包了。

Āi, wǒ jīntiān wàng dài qiánbāo le.

Oh, I forgot to bring my wallet today.