1. 他既是藝術(shù)家，又是科學(xué)家，同時還是個精明的生意人。
   He's an artist, a scientist and a shrewd businessman (all) rolled into one.
2. 他是一個精明的商人，深知自己的利益所在。
   He was a shrewd businessman. He knew which side his bread was buttered on.
3. 他的談判技巧使他贏得了精明戰(zhàn)略家的名聲。
   His skill in negotiating earned him a reputation as a shrewd tactician.
4. 他是個精明的、有時候冷酷無情的對手。
   He is a shrewd and sometimes ruthless adversary.

精的英語翻譯：

明的英語翻譯：