As和Like比較
AS, 小單詞，大用法！
As and like are often confused since they are both used to compare actions or situations. There are, however, important differences.
as和like經常被混淆，因爲它們都是用來比較行爲或情況。但是他們有很大的區別。
As
We use as to talk about job or function.
我們用as來談論工作或者功能。
例：
I worked as a shop assistant for 2 years when I was a student.
He used his shoe as a hammer to hang the picture up.
In comparisons, the structure ‘as adjective as’ is often used.
用於比較的時候，“as+形容詞+as”也經常使用。
例：
He’s not as tall as his brother
She ran as fast as she could.
In the following comparisons as is a conjunction – it’s followed by a clause with a subject and a verb.
當as被當做一個連詞使用的時候，後面常常是從句帶着一個主語或者動詞。
例：
He went to Cambridge University, as his father had before him.
She’s a talented writer, as most of her family are.
Like
In the following comparisons, like is a preposition and it’s followed by a noun or a pronoun.
當用於比較的時候，like是一個介詞，跟着一個名詞或者代詞。
例：
I’ve been working like a dog all afternoon.
None of my brothers are much like me.
She looks just like her mother.
Like and As if/As though
Like, as if and as though can all be used to make comparisons. There is no difference in meaning among the 3 forms.
Like, as if 和 as though都可以用來表示比較。這三個詞沒有區別。
例：
You look as if you’ve seen a ghost.
You talk as though we’re never going to see each other again.
It looks like it’s going to rain.
Expressions with ‘as’
關於as的表達The following expressions all use as.
下面的表達都有用as。
例：
As you know, classes restart on January 15th.
I tried using salt as you suggested but the stain still didn’t come out.
As we agreed the company will be split 50/50 between us.
Their house is the same as ours.
