1·Now do you still think studying history is a sad thing?
现在你还觉得学历史让人不高兴吗？
2·He thanked his son and the dog for saving their lives and turning what he felt was a sad thing into a lucky one.
他感谢了自己的儿子和那条狗救了他们的命，把他以为的伤心事变成了一桩幸事。
3·"It is a very sad thing that nowadays there is so little useless information," quipped Oscar Wilde in 1894.
1894年，奥斯卡·王尔德嘲笑说：“如今，几乎没有无用的信息，这是非常可悲的事情。”
4·The sad thing is that people presume that a nearby stranger doesn't want to converse and don't start a conversation.
令人难过的是，人们认为附近的陌生人不想交谈，因此也不会主动发起谈话。
5·This is a very sad thing!
这是一个很悲痛的事情！
6·It was such a sad thing.
这是一件难过的事。
7·It is a sad thing.
这是件令人难过的事情。
8·Leaving all those I'm close to will be a sad thing.
离开所有我亲近的人是件让人难过的事。
9·Can you tell me your sad thing in your school?
你能告诉我你在学校时候的伤心事吗？
10·It is a sad thing that we really have no voice.
我们确实没有发言权，这是很可悲的事情。