感到担忧用英文怎么说

"感到担忧"用英语可以说为"to feel worried"或"to feel concerned". "worried" 来源于中世纪英语"wyrgan"，意思是"to strangle"，表示因为担忧而感到紧张压抑。"concerned" 来源于拉丁词"concernere"，意思是"to be involved with"，表示因为关心而感到不安。

例句:

I'm feepng worried about my upcoming exam. (我对即将来临的考试感到担忧。)
He's feepng concerned about his friend's health. (他对他朋友的健康感到担忧。)