我为朋友的健康感到非常忧虑。

I'm rather troubled about my friend's health.

youdao

我非常理解那些感到忧虑的人们。

I can well understand people being worried.

youdao

我对母亲的健康状况感到非常忧虑。

I'm much worried about my mother's health.

youdao

我对母亲的健康状况感到非常忧虑。

I'm much worried about my mother's health.

youdao