10:50用英语怎么表达

　　We arrived at two o'clock and left at ten past.

　　我们两点钟到达，十分钟后离开。

　　Costs have been reduced by 20% over the past year.

　　过去一年，各项费用已经减少了20%。

　　They say she has a 'past'.

　　据说她有一段“过去”。

　　He has matured a great deal over the past year.

　　经过过去这一年，他成熟了许多。

　　In some sports you're past it by the age of 25.

　　在某些运动中，人过25岁就难有作为了。