try it on ,get on it .

題目：

try it on ,get on it .
on 是介詞,爲什麼會有上面兩種用法?應該是代詞在動副詞組之間,在動介詞組之後啊

解答：

try it on ,get on it 都是動介詞組,當一個動詞加上一個介詞可以與介詞本身的意思無關.
例如look after意思是照顧.
try it on有兩個意思.一是試穿衣物,e.g.Try on the shoes before you buy them.
另一意思是明知不准做,卻希望別人沒異議.
e.g.Don't try anything on with me,you will be sorry.
get on有三個意思.一是進展,Everything is getting on very well.一切進行得很順!另一意思是出人頭地,He is sure to get on in the world.他一定會出人頭地.第三種意思是登上車.If you don't get on this bus,you will be late.如果你不登上這車,你便會遲到.
動詞+介詞的組合在很多書都會列出他們組合後的意思,不妨有時間多看!