1. To know everything is to know nothing.
樣樣皆通,樣樣稀松。
2. As if you didn't know.
明知故問。
3. You never know.
誰也說不準。
4. You can ask Jack for help, he knows the business.
你可以找杰克幫忙,他比較在行。
5. Scientists say that monkeys also know right from wrong.
科學(xué)家說猴子也能辨別對錯。
6. They are almost totally dependent on Western know-how.
他們幾乎完全依賴西方技術(shù)。
7. I know a little French.
我懂一點點法語。
8. This is a well-known brand in China.
這個牌子在中國很知名。