look up 和look for 的區(qū)別：含義不同、用法不同、強調(diào)重點不同。look up中文翻譯為“查閱”、“探望”，側(cè)重于指在詞典等資料里查閱；look for中文翻譯為“尋找”、“渴望”、“盼望”，強調(diào)尋找的動作和過程。
一、look up的含義及用法
look up作為動詞，意為查閱;查找;探望;看望。
例句：I looked your address up in the personnel file...
我在人事檔案里找到了你的地址。
I'll try to look him up, ask him a few questions...
我會設(shè)法登門拜訪，問他幾個問題。
She just grunted, not deigning to look up from the page.
她只咕噥了一聲，繼續(xù)看書，不屑抬起頭來看一眼。
He turned his face to look up at the sky in a carefree manner.
他仰首望著天，做出一副滿不在乎的神氣。
Don't look up every unknown word in your dictionary.
不要在字典里查每一個不認識的單詞。
Don't just move up and down. Don't just look up
不要只上下移動不要只往上看
I couldn't look up. My eyes were getting wet.
我眼淚盈眶，抬不起頭來。
she didn't look up from his eyes, a head lower than hers.
她的眼睛簡直沒法從他的目光里移開，他比她低了一個頭。
二、look for的含義及用法
look for作為動詞，意為尋找;探索;渴望;盼望。
例句：Which features do you look for when choosing a car?
你挑選轎車時要著重哪些特點？
We all need to look for ways to reduce our carbon footprint.
我們都需要尋求降低碳排放量的方法。
They look for foods that are low in calories.
他們要找低卡路里的食物。
Look for hotels in the French Quarter.
在法國人居住區(qū)尋找旅館。
He thumbed through the directory to look for her number.
他翻閱電話號碼簿找尋她的號碼。
A second experiment was designed to look for signs of catabolism.
第二個設(shè)計的實驗是企圖尋找分解代謝的跡象。
Look for time when you complete a unit of study.
當你完成一個單元的學(xué)習(xí)時，找時間復(fù)習(xí)。
