mouse(復(fù)數(shù)：mice)是指小鼠，而rat(復(fù)數(shù)：rats)是指的大鼠，是兩種不同的物種。英文里區(qū)別非常清楚。

rat和mouse的區(qū)別

1、英文中mouse與rat都翻譯為漢語老鼠，通常以大小來區(qū)分二者，mouse是指小鼠，rat指大鼠。

2、Mouse經(jīng)常成為寵物（pet），被看做好玩（playful）、可愛（loving），而Rat被看做是邪惡的（vicious）、不潔的（unclean）。

3、mouse不含褒貶之意，rat含貶義，就像過街老鼠,骯臟,是害蟲。

rat和mouse的短語

rat race 激烈的競爭；殘酷、高壓的生存環(huán)境

He decided to get out of the rat race, and went to work on a farm.他決定擺脫這種高壓的工作狀態(tài)，去一個(gè)農(nóng)場工作。

smell a rat 覺得哪里不對(duì)，起疑心

He's been working late with her every night this week - I smell a rat!他這周每天晚上都跟她工作到很晚，我覺得不對(duì)勁！

lab rat （實(shí)驗(yàn)室里的）小白鼠；長期泡在實(shí)驗(yàn)室的研究生；實(shí)驗(yàn)對(duì)象

He is in love with a lab rat and they haven't seen each other for three months.他愛上了一個(gè)實(shí)驗(yàn)室狂魔，他們已經(jīng)3個(gè)月沒見面了。

mouse potato 電腦狂人（長時(shí)間使用電腦的人）

I can't believe I spend 10 hours a day on the internet. I'm such a mouse potato!真不敢相信我一天在網(wǎng)上的時(shí)間有10個(gè)小時(shí)，我真是個(gè)電腦狂人！

poor as a church mouse 窮得叮當(dāng)響；一貧如洗

You want to borrow money from him? He is as poor as a church mouse.你想從他那里借錢？他可是一貧如洗。

quiet as a mouse 悄無聲息；沉默寡言

She was as quiet as a mouse that nobody noticed her presence.她不聲不響，以至于沒人意識(shí)到她也在場。