焦心

zhì jīn méi yǒu jiē dào ér zi de lái xìn zhēn jiào rén jiāo xīn

至今没有接到儿子的来信，真叫人焦心。

I still haven't had a letter from my son. It's very worrying.

yuè děng yuè jué de jiāo xīn

越等越觉得焦心

wait in growing anxiety

tā men bù shì jiāo xīn de xiàng shàng pá de rén

他们不是焦心的向上爬的人。

They are not anxious social climbers.