decide,determine这两个词都有“决定”的意思。 decide的含义是“不再迟疑不定”，而determine含义是把某件事确定下来。 to decide to give a dinner party (决定设一次宴会，此语的内涵是：关于设宴会一事不再迟疑了 to determine the guests to be invited (确定要邀请的客人)，此语的内涵意思是：要请哪些人而不请那些人。
在be determined to do…这个固定的结构中，过去分词determined的词义为“下定了决心”。decide的名词为decision,determine的名词为determination。 At first,she decided to go to the police,… 起初，她决定去找警察…… On the last day I made a big decision。
在最后一天我作了一个重大的决定。 注：decide后跟宾语从句时，其含义有时是“断定”。 I decided that I must have taken a wrong turning somewhere。 我断定我一定是在某处拐错弯了。
I have been offered a large sum of money to go away,but I am determined to stay here。 给我提供了一大笔搬迁费，可是我决心留在这个地方。 The size of your feet determines the size of your shoes。
你的脚的大小决定了鞋的尺码。 The determination of the meaning of a word is often difficult without a context。 脱离上下文来确定一个词的含义常常是困难的。
注：在determine to do…, determine on (upon)…和determine…，(宾词从句)三个搭配中，determine的词义和decide几乎没有多大差异 He determined to learn medicine。
(He decided to learn medicine。) 他决定学医。 We determined on an early start。(We determined to start early。) 我们决定早动身。
Have you determined where you are going to spend your holidays? (Have you decided where you are going to spend your holidays?) 你有没有决定到哪里去度假？ 注：decide 某人to do 某事：“决定使某人做某事” What decided you to give up your job? 什么因素使你决定放弃你的工作？ 。
decide指消除怀疑或争论之后作出选择或决定We'll decide tonight where to build the school. determine比decide的意味强,指经过认真地或多方面考虑后作决定 The club decided on a lecture series and appointed a committee to determine the speakers, the dates,etc. She has decided to give a dinner party,but has not yet determined the guests to be invited.
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