We all know you're capable of it.你的本事有多大，我們都清楚
capable of能夠
He is capable of great villainies.
他能干出極壞的事情。
Only human beings are capable of speech.
只有人類才具有說話的能力。

I read your profile in "The new yorker" a couple of days ago, about the D.C. Sniper.我前些日子 還在《紐約客》上看到你關于華府驚魂23天事件的文章
a couple of days一兩天, 幾天
I'll be back in a couple of days.
我過幾天就回來。
The revolt was suppressed in a couple of days.
叛亂在幾天之內就被鎮壓下去了。

I think I might be needing something with a little more purpose.我想我得來點有用的東西
a little more稍多的
I'll thank you to be a little more polite.
你稍稍客氣一點好不好？
Let me sketch in a little more of our plans.
讓我把我們的計劃再稍加補充。