1.adequate 常含有“充分但剛好足夠之程度”的意思

That's not an adequate explanation.
這并不足以說明問題.

2.enough 指數(shù)量、份量或程度能滿足一種愿望，特別是物質(zhì)上的需要

Do you have enough time to finish the paper?
你有足夠的時間寫完論文嗎？


3.sufficient 指數(shù)量上尤指程度上多能滿足或叨叨某種特殊需要，

The money I have saved is sufficient for buying a car.
我所存的錢足以買一輛汽車。


4.all the same 都一樣

Whether they win or lose is all the same to me.
他們是贏是輸於我都一樣.


5.in all 總共

We numbered 20 (ie There were 20 of us) in all.
我們共計20人.

6.not at all 一點也不

I am not at all satisfied with the present situation.
我對現(xiàn)狀根本不滿意。