I feel very sad that you will not work here anymore.
我感到非常哀伤,您不会在这里工作了。
As a 12-year-old boy I heard so I feel very sad because they do not recognize my dream.
作为一个12岁小男孩我听到这样的话我觉得很伤心,因为他们不认可我的梦想。
I feel very sad to miss the opportunity of meeting you and many others in the field of Functional Grammar.
失去与您和其他研究功能语法的同行们见面的机会,我深感遗憾。
I feel very sad for the people in Sichuan and I am still trying to contact various friends by email.
我为在四川的人们感到很痛心,而我也在不断尝试通过邮件与我的朋友们联系。
I feel very sad to miss the opportunity.
我感到难过的是错过了这次机会。
I miss you very much. at those days, I feel very happy, I feel very sad as soon as you left. in my heart you are my best friend.
这些天我非常想你。我很高兴,但你一走我就很难过。你在我心里是最好的朋友。