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简要回答

for是个英文单词，做为介词意思是为了、针对，做为连词含意为由于。

for是经常用到的一个单词，可以搭配很多的单词应用，用法也各种各样。那么今天我们就来讲讲for是什么意思。

具体内容

01.for英 [fɔː(r) , fə(r)] 美 [fɔːr , fər] prep. (表示对象、用途等)给，对，供;以帮助;为了;有关conj. 由于;因为

02.用法案例for，做为介词，意思是：为了、针对。My father would do anything for me and my mother,because he loves his family.我的爸爸能为我和我的母亲做一切，由于他爱他的家庭。for，做为连词，含意为：由于。用for更换了because，则词组变成My father would do anything for me and my mother,for he loves his family.I didn"t eat much lunch for I"m not hungry at all.我没有如何吃午餐，由于我一点也不饿。

03.because conj. 由于语调最强，表明逻辑关系，一般用于回答由 why 引导的疑问句。由 because 引导的分句置于句首时，须用逗号与主句隔开，置于句末时则无需隔开。Because the traffic is so busy, she failed to arrive at the station on time.由于路上交通太拥堵，她未能按时赶来车站。He came back late because there was something wrong with his car.他回来迟了，由于车辆出故障。as conj. 由于，因为假如上述原因是显著的或已知的，则以 as 较 because 更为合适。As it"s raining, you"d better stay at home.即然在下雨，你最好待在家里。He puts the ice cream into the fridge immediately, as it melts easily.他马上把冰淇淋放进冰箱，因为他很容易化掉。for conj. [正式]由于for 属于并列连词，由它引导的分句表明补充说明性的理由，一般只能置于句末，且必须用逗号与前面的分句隔开。He must have passed this way, for here are his footprints.他肯定是从这条路走过去的，这里有他的足印。He has to work hard, for he wants to support his family.因为要赚钱养家，他必须努力工作。since conj. 由于，即然当上述原因是已知的客观事实或被作为推断的理由时用 since，语调略强过 as。Since he is absent, let"s begin.即然他不在，咱们就开始吧。Susan must have come back home, since her coat is not in the wardrobe.苏珊肯定回过家，因为她挂在衣橱里的外套消失了。