忧心

dà jiā dōu yōu xīn tā de shēn tǐ

大家都忧心他的身体。

Everybody was worrying about his fragile health.

yōu xīn guó shì

忧心国事

be worried about national affairs

gèng lìng rén yōu xīn de shì fā dá guó jiā de rén mín mí liàn hù lián wǎng

更令人忧心的是发达国家的人民迷恋互联网。

More worryingly, people in the developed world are addicted to the Internet.

yōu xīn chōng chōng

忧心忡忡

be anxiety-ridden