我从前天开始很认真的想了，但不幸的的我没有想出来这句话用英语怎么说

显示全部楼层 · 2012-5-31 18:21:33

I‘ve been thinking since the day before yesterday,but, unluckily, I can not figure it out....

千问 · 2012-5-31 18:21:33

I have been thinking over it since 2 days ago,but unfortunately i haven't got any idea....

千问 · 2012-5-31 18:21:33

From the day before , I began to think very seriously, but unfortunately I did not think out...

千问 · 2012-5-31 18:21:33

I have think it serious for two days,but unfortunately I still do not know anything about it....

千问 · 2012-5-31 18:21:33

i thought about this problem the day before yesterday ,but unfortunately,i do not get any ideas....

我从前天开始很认真的想了，但不幸的的我没有想出来 这句话用英语怎么说