担心

bù bì wèi hái zi men dān xīn

不必为孩子们担心。

You don't need to worry about the children.

tā fēi cháng dān xīn jì huà bù néng wán chéng

他非常担心计划不能完成。

He's really anxious that the project won't be finished.

tā de bìng ràng wǒ fēi cháng dān xīn

她的病让我非常担心。

I'm extremely concerned about her illness.

tiān qì bù hǎo wǒ dān xīn huì xià yǔ

天气不好，我担心会下雨。

The weather is terrible, I'm afraid it is going to rain.

tā duì nà gè wēi jī de dān xīn shǐ tā zhěng yè bù mián

他对那个危机的担心使他整夜不眠。

His concern over the crisis kept him awake all night.

wǒ rèn wéi zhè shì yī gè fēi cháng hé lǐ de dān xīn

我认为这是一个非常合理的担心。

I think this is a very legitimate concern.

tā zuì dà de dān xīn bèi zhèng shí le

他最大的担心被证实了。

His worst fears were confirmed.