acquaint

Compared meaning: to introduce people to each other (verb).

比较义项：介绍，使双方相识（动词）。

• introduce

  The everyday word for presenting one person to another by name; used with 'to' (introduce X to Y), natural in both casual and professional settings.

  最日常、最常用的说法，表示把某人介绍给另一人（用法为 introduce X to Y），在正式和非正式场合都很自然。

  She introduced her new neighbor to everyone at the barbecue.

  她在烧烤聚会上把新邻居介绍给了大家。

• acquaint 本词

  A more formal, somewhat old-fashioned word for making people known to each other; usually built with 'with', often reflexive (acquaint yourself/oneself), rarely used in casual speech.

  语气更正式，略显过时，表示使人们互相认识；通常与 with 搭配，常用反身结构（acquaint yourself/oneself），在日常口语中很少使用。

  The host acquainted the two strangers with each other over drinks.

  主人在喝酒时把两位陌生人互相引见给彼此。

Introduce and acquaint both mean to make people known to each other. Introduce is the everyday, common word. Acquaint is more formal and old-fashioned, often used as 'acquaint yourself with...'. It does not cover acquaint's other meaning: becoming familiar with something.

这两个词在“介绍认识”这一意义上接近，但语体和用法不同：introduce 是最日常、最常用的说法；acquaint 语气更正式，甚至略显过时，常用反身或被动结构。这里不比较 acquaint 表示“使熟悉某事物（如信息、系统）”的用法，例如 acquaint yourself with the new software。