1.try to do 試著做某事,努力了但不一定成功
You must try to be more careful.
你可要多加小心.
try doing 嘗試做 所謂嘗試就是試試看,不一定怎么努力的
I tried gardening but didn't succeed.
我試著種果木花卉,但未成功.
2.It's pleasure =My pleasure 用在做某事之后,表示不用謝
比如----thanks for helping me!
----My pleasure /It's pleasure
With pleasure是用在做某事之前,表示很樂意
比如----cao you give me a glass of water?
----With pleasure
3.on the top另外；熟練掌握；在…之上；緊接著
Stay on top of new ingredients and new product technologies applicable.
學(xué)習(xí)食品原料及產(chǎn)品新技術(shù)并使之能夠應(yīng)用產(chǎn)品里.
on the top of 在……頂部 on the top of the mountain 在山頂上