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 police put a watch on the suspect's house. 警方派人监视那个可疑人的住宅。
- 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 police suspect foul play rather than suicide. 警方怀疑是谋杀不是自杀。
- The suspect cracked under questioning. 嫌疑分子在审问之下招供了。
- 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。
- Do the police suspect foul play? 警方是否怀疑有不法行为？
- I suspect he's a closet fascist. 我怀疑他是地下法西斯分子。
- His motives were suspect with others. 他的动机受到其他人的怀疑。
- The police were tailing after the suspect. 警方紧紧跟踪着那嫌疑犯。
- The detective was tailing the suspect. 侦探在跟踪嫌疑犯。
- This is a fact hitherto unknown. 这是一个至今无人知道的事实。
- The jury's condemnation was a shock to the suspect. 陪审团宣告有罪使嫌犯大为震惊。
- A quantity of unknown numerical value. 未知数数值不明的一个数量
- The suspect is a person of no fixed abode. 嫌疑犯是个居无定所的人。
- 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。
- I suspect, nay, I am certain, that he is wrong. 我怀疑，不，我肯定他错了。
- We use x as the symbol for an unknown quantity. 我们用x表示一个未知数。
- It is no safe wading in an unknown water. 不知水深浅，涉水不安全。
