要是

• 拼音: yào shi
• 汉字拆解: 要 = 西 (west) + 女 (woman); 是 = 日 (sun) + 正 (correct, phonetic)

含义

If; in case; supposing that. A colloquial conditional conjunction.

A casual and spoken alternative to 如果 for expressing hypothetical or conditional situations. It is slightly more informal than 如果 and is very common in daily conversation. Often paired with 就 in the result clause. Can be used interchangeably with 如果 in most spoken contexts.

例句

1. 要是明天下雨，我们就不去了。
2. 要是你有时间，可以来我家玩。
3. 要是早点出发，就不会迟到了。

用法指南

语境: everyday, conversation

语气: casual

正确说法

• 要是你不想去，就别去了。(If you don't want to go, then don't go.)
• 要是我有钱，我就去旅游。(If I had money, I would go travelling.)

错误说法

• 要是根据合同规定...(Don't use 要是 in formal or written contexts — use 如果 or 若 instead. 要是 is too casual for contracts or official documents.)

起源与历史

要 (want/will/if) + 是 (to be). The combination functions as a conditional marker, evolving from the hypothetical sense of 要.

文化背景

世代: All ages

社会背景: Universal