您要查找的是不是：
- The leading role is played by a complete unknown. 演主角的是一个毫无名气的演员。
- The star of the film is a previously unknown actor. 这部电影里的明星以前是个默默无闻的演员。
- The chair sagged down under the fat man's weight. 椅子经这胖人一坐便压弯了。
- Its greater part is unknown to me. 它的大部分对我是未知的。
- He was an unknown painter one year ago. 一年前，他还是一个不为人知的画家。
- A reliable car is worth its weight in gold. 靠得住的汽车就是无价之宝。
- This is a fact hitherto unknown. 这是一个至今无人知道的事实。
- The pillars have to support the weight of the roof. 这些柱子须承受屋顶的重量。
- A quantity of unknown numerical value. 未知数数值不明的一个数量
- The President swings his weight to get laws passed. 总统运用权力使法律获得通过。
- Kate is in bad with Lucy for some unknown reason. 因为某些不为人知的原因，凯特和露西关系不好。
- We use x as the symbol for an unknown quantity. 我们用x表示一个未知数。
- His opinion doesn't carry much weight. 他的意见没多少影响。
- It is no safe wading in an unknown water. 不知水深浅，涉水不安全。
- Bananas are usually sold by weight. 香蕉通常按重量卖。
- The investigation was tabled for reasons unknown. 不知何故调查延缓进行。
- The net weight of this jar of coffee is 180 grams. 这瓶咖啡净重180克。
- The ownership of the house is still unknown. 这栋房子的所有权至今无人知道。
- These fish vary in weight from 3 lb to 5 lb. 这些鱼的重量从3磅到5磅不等。
- The unknown number can be calculated from the data. 通过已知数可以算出未知数。
