(1) ①accustom to意为“使习惯于……”。accustom后接反身代词；to后接名词、代词、动名词，有时也接infinitive (带to不定式)。
- He had to take some time to accustom himself to the new life style of his new country.
他得花一段时间使自己适应他新加入的这个国家的生活方式。 - You must accustom yourself to be more at your ease when you are with people.
当你与别人相处时，你一定要使自己的举止更自然一些。
②accustomed常可用作表语，与be, get, become连用。用be表示状态；用get, become表示由不习惯到习惯的变化。
- I've already got/become accustomed to the heat here.
我已经习惯了这里的炎热。 - Are you accustomed to the climate there?
你习惯那里的气候吗？
(2) acquaint with意为“使熟悉”。
- Let me acquaint you with the situation here before you start your new work.
在你开始你的新工作之前，让我帮你了解一下这里的情况。 - Have you acquainted yourself with your new work?
你已经熟悉你的新工作了吗？
(3) familiarize with意为“使了解，使熟悉”，与 acquaint with 意思相近。
- I'd like to familiarize you with what is happening here.
我想让你了解一下这里的情形。
(4) be/get/become acquainted with 意为“熟悉，了解，认识”，用在较为正式的场合。用be时表示状态；用get,become时表示由不熟悉、不了解到熟悉、了解的变化。
- We have long been acquainted with each other; we first met at a party three years ago.
我们相互认识很长时间了，第一次见面是在三年前的一次聚会上。 - I've become acquainted with some local people since I came here last year.
自从我去年来这里之后，我已与一些当地人混熟了。 - It was difficult enough getting acquainted with her and her mother; they were eccentric people.
她和她母亲相当难接近；她们脾气很怪。
(5) ①be/get/become familiar with意为“熟悉”，以人为主语，with可以接人，也可接物。接事物时，表示熟悉如何做或如何用。用be表示状态；用get,become表示变化。
- Are you familiar with the machine?
你熟悉这台机器吗？ - Are you familiar with Prof. Smith?
你熟悉史密斯教授吗？
②be familiar to意思是“为……所熟悉”，以物为主语，to后接人。
- I think this is familiar to you.
我想这对你来说是熟悉的。
