ファンをやめる
I stop being a fan of that singer.
私はその歌手の愛好者をやめます
I stop being a fan of that singer because my interest has faded.
私は関心が薄れたのでその歌手の愛好者をやめます
I stop being a fan of that singer after thinking about it for a long time, because my interest has faded.
私は関心が薄れたので長い間悩んだ末にその歌手の愛好者をやめます
I stop being a fan of that singer this month after thinking about it for a long time, because my interest has faded.
私は関心が薄れたので長い間悩んだ末に今月その歌手の愛好者をやめます
I quietly stop being a fan of that singer this month after thinking about it for a long time, because my interest has faded.
私は関心が薄れたので長い間悩んだ末に今月静かにその歌手の愛好者をやめます