What does "come across" mean?

To find or meet by chance To encounter unexpectedly.

How do you use "come across" in a sentence?

I came across an old photo. She came across some interesting information. He came across a friend in town.

Phrasal Verb BritishAmericanAustralian ★★★★★ Very Common Neutral

Meaning: To find or meet by chance

偶然发现，碰到

Encontrar por casualidad, toparse con

偶然見つける、出くわす

우연히 발견하다, 마주치다

To encounter unexpectedly.

意外地发现或遇到某人某物。注意"come across as"有另一个意思，表示"给人…的印象"。

Encontrar o conocer a alguien inesperadamente. Nota: "come across as" tiene otro significado: dar la impresión de ser.

思いがけなく何かや誰かに出会うこと。「come across as」の形で「〜という印象を与える」という別の意味もある。

예상치 못하게 마주치다.

Base verb: come

Particle: across

Separable: No — the verb and particle stay together

I came across an old photo.
我偶然发现了一张老照片
encontré una foto antigua por casualidad
古い写真を偶然見つけた
오래된 사진을 우연히 발견했다.
She came across some interesting information.
她偶然发现了一些有趣的信息
se topó con información interesante
彼女は面白い情報に出くわした
그녀는 흥미로운 정보를 우연히 접했다.
He came across a friend in town.
他在城里偶遇了一位朋友
se encontró con un amigo en el pueblo
彼は街で友人に偶然会った
그는 시내에서 친구를 우연히 만났다.

Context: finding, discovering, meeting

Tone: surprised

Come across
偶然发现；碰到
Encontrar por casualidad; Toparse con
偶然見つける；出くわす
우연히 발견하다; 마주치다

From crossing paths with something.

Era: Modern

Generation: All ages

Social background: Universal