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。
- Many mountaineers have reached that mountain peak. 许多登山家都登上过那座大山的顶峰。
- We have a precipitous climb to the peak. 我们向着陡峭山顶攀登。
- 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。
- Tourism is at its peak in August. 旅游业在八月份达到高峰。
- The climbers made camp half-way up the peak. 登山队员在半山腰扎营。
- This is a fact hitherto unknown. 这是一个至今无人知道的事实。
- Traffic is very heavy at peak hours. 在高峰时间交通非常拥挤。
- A quantity of unknown numerical value. 未知数数值不明的一个数量
- Beat the egg whites until they peak. 把蛋白打到他们耸起。
- 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。
- It is no safe wading in an unknown water. 不知水深浅，涉水不安全。
- The investigation was tabled for reasons unknown. 不知何故调查延缓进行。
- The ownership of the house is still unknown. 这栋房子的所有权至今无人知道。
- The unknown number can be calculated from the data. 通过已知数可以算出未知数。
- Traffic reaches a peak between 8 and 9 in the morning. 早晨八九点钟是交通的高峰时刻。
- Many unknown writers aspire to fame. 许多不知名的作家渴望成名。
