口译笔译：每日翻译－－真让我失望

今天我们来翻译：
　　1.真让我失望。
　　2.今天我很有闲(空)。
　　3.他说他所做的事情微不足道。
　　4.很明显，他一点儿也不知道怎样修理小汽车.
　　5.你从早餐之前就开始做这份历史报告，不如就到此为止吧。
　　6. Better the devil you know than the devil you don't know. (英译汉)
　　参考译文:
　　1.真让我失望。
　　I'm very disappointed.
　　2.今天我很有闲（空）。
　　I have a lot of free time today.
　　3.他说他所做的事情微不足道。
　　He said that what he had done was nothing to speak of.
　　4.很明显，他一点儿也不知道怎样修理小汽车.
　　It is apparent (clear/obvious/marked/evident) that he knows nothing about how to repair cars.
　　5.你从早餐之前就开始做这份历史报告，不如就到此为止吧。
　　You've been working on that history report since before breakfast. Why don't you call it a day?
　　Call it a day.到止为止。
　　6. Better the devil you know than the devil you don't know. (英译汉)
　　明枪易躲，暗箭难防.