tā / zǒng / shì / dān / xīn / yī / xiē / hái / méi / fā / shēng / de / shì / qing / zhēn / shì / yōng / rén / zì / rǎo他总是担心一些还没发生的事情,真是庸人自扰。He is always worrying about things that have not happened yet and is really creating problems for himself.