昨天

• 拼音: zuó tiān
• 汉字拆解: 昨 = 日 (sun/day) + 乍 (suddenly, just) — the day just past; 天 = sky, day

含义

Yesterday. The day before today.

A basic time word used extremely frequently. Can be placed before or after the subject: 昨天我很忙 or 我昨天很忙 (I was busy yesterday). In Chinese, time words do not require prepositions — 昨天 is used directly without 在.

例句

1. 昨天我去了超市。
2. 你昨天做了什么？
3. 昨天下雨了。

用法指南

语境: time, everyday

语气: neutral

正确说法

• 昨天你去哪儿了？(Where did you go yesterday?)
• 昨天的天气很好。(Yesterday's weather was very nice.)

错误说法

• 在昨天我去了学校。(Don't add 在 before 昨天 — say 昨天我去了学校)

起源与历史

Compound of 昨 (yesterday/past) + 天 (day). 昨 contains 日 (sun/day) + 乍 (suddenly/just now), suggesting a day that has just passed.

文化背景

世代: All ages

社会背景: Universal