例句：
1、I do not need to and sad, so I do not need anything.
我也不需要為此而傷心，所以我不需要任何東西。
2、I have no right to be sad.
然而我的悲傷是無關(guān)緊要的。
3、It's a sad fact that many of those killed were children.
讓人難以接受的是遇難者中很多是孩子。
4、It is very sad when children feel unwanted.
小孩覺得沒有人愛是很悲慘的。