如何使用 "shrewd" 造句

1. It is shrewd politics to champion the little guy .
赞扬小公司是政治上的精明举措。
2. It was a shrewd short-term move .
这真是个狡猾的暂时步骤。
3. This shrewd , short book explains why .
这本敏锐而简短的书解释了其中缘由。
4. But he lacks his predecessor 's charisma and shrewd policy instincts .
但他缺乏梅莱斯的那种个人魅力和敏锐的政治直觉。
5. It was a shrewd move .
这是个精明的举动。