couple of week

couple of week ,
正確而言應該是 a couple of weeks.
couple 和week 都是countable nouns, 如果不是plural 就要有 一個 article在前面。

根據牛津進階英漢雙解詞典，
a couple of people/ thing有兩個解釋,

1= two people/things 兩個人/兩件事物 :
Eg I need a couple of glasses (意思為一對)

2. a few(not saying an exact number)若干（不定量）
Eg I last saw her a couple of months ago

根據另一本字典Concise English-Chinese Dictionary，
a couple of是慣用語，有兩三個， (少數)幾個的意思。

所以，a couple of weeks 可以解作兩個或者幾個.
it depends.

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Couple refers to 2 items of a type. Couple of weeks means: 兩個 weeks. It CANNOT mean 幾個 or 三個星期
Refer to:
http://en.wikipedia.org/wiki/Couple

couple = a pair = 2

but a couple of week means 2 or 3 weeks

couple of week 是指兩個 week, 定係幾個week..?

2-3三個星期