Reading is the only hobby I can speak of.

　　讀書是我唯一值得一提的愛好。

　　Obviously I can't speak for other people, but certainly no one I know would entertain the idea.

　　我顯然不能代表其他人的意見，可是我認識的人當中肯定沒有人會有這樣的想法。

　　I can't speak English fluently as I am out of practice.

　　我不能流利地說英語，因為我已荒疏了。

　　I can't speak fluently among strangers.

　　和陌生人在一起，我講話不流暢。

　　I think you can always speak english.

　　我認為你總可以說英語嘛。