| 1. | Ingram, boyish, with unruly red hair and only a year out of harvard business school, was apparently keen and energetic, but otherwise an unknown quantity .
英格拉姆还象个孩子，一头蓬乱的红发，他从哈佛商学院毕业才一年，看上去为人敏捷，精力充沛，但除此之外，这个人到底怎么样，还吃不准。 |
| 2. | The new sales director is still a bit of an unknown quantity
新来的销售部主任大家还不大了解。 |
| 3. | Pronounced the craft an unknown quantity . he has an idea what it can do
.声称他不清楚这架飞机的具体重量或者她具体能达到怎样的高度 |
| 4. | . . . pronounced the craft an unknown quantity . he has an idea what it can do . . .
. . .声称他不清楚这架飞机的具体重量或者她具体能达到怎样的高度 |
| 5. | Phrases like " a number " or " the number " tell us our expression has an unknown quantity , called a variable
像“一个数”或“这个数”之类的短语，告诉我们表达式中含有一个未知量，称之为变量。 |
| 6. | It is an algebraic axiom , which makes us proceed from a known to an unknown quantity , and not from an unknown to a known ; but sit down , sir , i beg of you .
这是代数学上的一条定理，我们应该从已知数来推论未知数，而不是从未知数来求已知数，请坐，阁下。 ” |
| 7. | After an impressive season , briatore certainly has a much better chance of placing kovalainen elsewhere than he would piquet , who remains something of an unknown quantity
经过一个令人印象深刻的赛季之后，比起安置有着未知能力的小皮奎特，布利亚托雷当然是有着更好的机会为科瓦莱宁寻找新去处。 |
| 8. | If you cannot view all of the attributes for a player who interests you then it might be worth sending a scout out to examine him in detail rather than risk spending money on someone who is partially an unknown quantity
如果你不能看到你所感兴趣的球员的全部属性就派个球探去探查他一下好了解细节，而不是冒险随便砸钱。 |
| 9. | Already well aware of hargreaves ' virtues from international duty with england , rio concedes the younger new arrivals are a little more of an unknown quantity - although united did sample brazilian playmaker anderson ' s trickery last summer
英格兰国家队的共事使里奥已经了解哈格里夫斯的强大实力，而对于新来的年轻人，里奥则不是那么清楚他们的能力- -尽管去年夏天曼联已经领教过巴西前腰安德森的厉害。 |
