1、含義不同
in case of的意思是防備、假如、若在……情況下，如果發生、萬一；
in the case of的意思是就…來說，在…的情況下。假使，如果發生
2、用法不同
in case of后跟名詞（動名詞）、代詞等；
in the case of后跟名詞（動名詞）、代詞等；
例句：
In case of fire, ring the alarm bell. 如有火災，請按警鈴。
In case of failure, their position would be dangerous in the extreme. 萬一失敗，他們的處境將是很危險的。
In case of urgency, call the police.
一旦發生緊急情況，打電話給警察。
In the case of different values, this sum is decreased.
在不同的值的情況下，這個和就會減小。
In the case of an error, another response would be generated.
如果有錯誤，會產生另一個響應。
in case of
1. 表條件。意為“如果；萬一，一旦”。如：
You may ask your teacher in case of difficulty.
如果遇到困難你可以照老師。
In case of fire, ring the alarm bell. 如有火災，請按警鈴。
In case of difficulty, just call on me.
如有困難，找我好了。
In case of urgency, call the police.
一旦發生緊急情況，打電話給警察。
In case of serious illness, the patient asks for more doctors.
急病請三醫。
You can count on me to help in case of difficulty.
設有困難，當助一臂之力。
In case of rain the mass meeting will be postponed till the first fine day.
大會遇雨順延。
In case of failure, their position would be dangerous in the extreme. 萬一失敗，他們的處境將是很危險的。
2.. 表原因或表否定的目的。意為“因為可能，以防；以備”。如：
Many shops along the route have been boarded up in case of trouble.
沿途很多商店的門窗都用木板封上了，以防不測。
The wall was built along the river in case of floods.沿河筑起防護墻，以防洪水。
In case of rain I have an umbrella.我帶了把雨傘以防下雨。
Roden had already constructed a rude cabin for himself and his family in case of necessity.
羅登已為自己和家人搭好了一個簡陋的小木屋，以備不時之需。
All exits must be kept clear in case of fire or a bomb scare
所有出口必須保持暢通，以防有火災或炸彈威嚇發生。
You’d better have two strings to your bow, just in case of emergency.
你最好有兩手準備，以防萬一。
The wall was built along the river in case of floods. 沿河筑了堤，以防洪水。
Keep an umbrella in case of rain. 帶把雨傘，以防下雨。
Security forces have been put on standby in case of violence.
安全部隊已處于待命狀態，以防出現暴力事件。
I left for the office earlier than usual this morning in case of traffic jam. 為了防止交通堵塞，我今天早上比平常早去了辦公室。
in the case of 意為“就……而言；至于；在……情況下”。如：
I dread to think what will happen in the case of a major emergency
我不敢想在重大緊急情況下會發生什么。
Surgical training takes at least nine years, or 11 in the case of obstetrics
外科至少需要9年的專業訓練，產科甚至需要11年。
《柯林斯高階英漢雙解學習詞典》
Children who take exams early will be allowed to drop a subject except in the case of maths, English and science.
提早參加考試的孩子們可以免修除數學、英語和科學以外的一門課。
Poverty depresses most people; in the case of him it was otherwise. 貧窮會把大部分人壓垮，但對于他來說，情況可就不同了。
In the case of a physical change, no new substance is formed. 就物理變化而言，并不產生新物質。
原創文章，作者：清風徐來，如若轉載，請注明出處：http://www.guwendong.com/12614.html
