I went through a long obsession with potlatch.

我曾经很久对potlatch着迷。

With him, gambling is an obsession.

对他来说, 赌博是无法摆脱的。

Do you think whether or not you got any sense of  obsession or fike regarding conventional work and life?

就一般工作及言，您认为自己是否会感到困扰或杞人忧天？

I don’t understand television’s current obsession with cookery programmes.

我不明白为什么现在电视里有如此多烹饪节目。