去年

zhè shì qù nián de shì

这是去年的事。

This happened last year.

qù nián zhè ge shí hou wǒ zài xī ān

去年这个时候，我在西安。

I was in Xi'an this time last year.

qù nián běn gōng sī yǒu sān rén tuì xiū

去年，本公司有三人退休。

We had three retirements in our office last year.

qù nián tóng qī

去年同期

corresponding period last year

qù nián yǐ lái

去年以来

since last year

qù nián jīn rì

去年今日

this day of last year