因此

• Pinyin: yīn cǐ
• Hanzi breakdown: 因 = 囗 (enclosure) + 大 (big), originally depicting something enclosed; 此 = 止 (stop) + 匕 (spoon/person)

Meaning

Therefore; for this reason. A formal conjunction used to introduce a result or conclusion.

More formal than 所以 and commonly used in written or semi-formal spoken Chinese. Connects a cause to its effect, introducing the logical consequence of a preceding statement. Interchangeable with 所以 in many contexts but preferred in formal registers.

Examples

1. 今天下雨了，因此我们取消了户外活动。 It rained today, therefore we cancelled the outdoor activity.
2. 他学习很努力，因此成绩一直很好。 He studies very hard, therefore his grades have always been good.
3. 这条路正在修，因此我们需要走另一条路。 This road is under repair, therefore we need to take another route.

Usage Guide

Context: writing, academic, business

Tone: logical

Do Say

• 天气很冷，因此大家都穿了厚衣服。(The weather is very cold, therefore everyone wore thick clothes.)
• 他生病了，因此没来上班。(He was sick, therefore he didn't come to work.)

Don't Say

• 我饿了，因此吃了一碗饭。(For casual everyday speech, 所以 is more natural — 因此 sounds overly formal in simple conversations)

Origin & History

因 (because, cause) + 此 (this). Literally 'because of this,' forming a conjunction meaning 'therefore.'

Cultural Context

Generation: All ages

Social background: Universal