I'm worried about the safety of the treatment.

　　我擔心這種療法是否安全。

　　We're not too worried by these results.

　　我們對這些結果并不太擔心。

　　It's only human nature to be worried about change.

　　對變革有憂慮不過是人之常情。

　　I worry that I won't get into college.

　　我擔心自己進不了大學。

　　I'm worried about the safety of the treatment.

　　我擔心這種療法是否安全。

　　It's only human nature to be worried about change.

　　對變革有憂慮不過是人之常情。