切身的事情

personal matter

切身的利益

immediate interests

只顾切身利益

just take care of immediate interests

切身要求

personal requirements

有切身利害关系

have a vital stake in something

国家大事同每个人都有切身关系。

Every individual has a direct interest in national affairs.

根据切身体验

based on personal experience

切身体会到

have a first-hand understanding of