How do you use "run into" in a sentence?

I ran into my old teacher today. Guess who I ran into! The car ran into a tree.

run into

To meet someone by chance To encounter someone unexpectedly. Also means to collide with something.

Phrasal Verb BritishAmericanAustralian ★★★★★ Very Common Casual

Significado: To meet someone by chance

偶然遇见某人

Encontrarse con alguien por casualidad

偶然誰かに出会う

우연히 만나다

To encounter someone unexpectedly. Also means to collide with something.

意外地碰到某人。也可以表示撞上某物。

Encontrar a alguien de forma inesperada. También significa chocar con algo.

思いがけず誰かに出会うことを意味します。また、何かに衝突するという意味もあります。

예상치 못하게 누군가를 만나다. 또한 무언가와 충돌하다라는 뜻도 있다.

Base verb: run

Particle: into

Separable: No — the verb and particle stay together

I ran into my old teacher today.
今天我偶遇了我的老师
Hoy me encontré con mi antiguo profesor
今日、昔の先生にばったり会った
오늘 옛날 선생님을 우연히 만났다.
Guess who I ran into!
猜猜我碰见谁了！
¡Adivina con quién me encontré!
誰に会ったと思う？
누구를 만났는지 맞춰봐!
The car ran into a tree.
车撞上了一棵树
El coche chocó contra un árbol
車が木にぶつかった
차가 나무에 부딪혔다.

Contexto: chance meetings

Tono: surprised

From unexpectedly meeting someone while moving.

Era: Modern

Generation: All ages

Social background: Universal