AHhough 2 stiu smile, 2 am not that happy ?

AHhough 2 stiu smile, 2 am not that happy ? 分析I am not that happy I smile does not mean I am happy.My umbrella,not to rain中文意思 DO you know that I am not happy? i am not happy I am happy( )hear that i am not that I am not too happy about it I am not happy anymore是什么意思? I am not happy because 翻译下 "I am not happy."的过去式怎么说? smile happy还是.smile happily