You use permanent to describe situations or states that keep occurring or that seem to exist all the time; used especially to describe problems or difficulties.
a permanent state of tension.
长期的紧张状态。
They feel under permanent threat.
他们感觉长期处于威胁之下。
A permanent employee is one who is employed for an unlimited length of time.
At the end of the probationary period you will become a permanent employee.
试用期结束后,你将成为长期雇员。
a permanent job.
一份固定工作。
Your permanent home or your permanent address is the one at which you spend most of your time or the one that you return to after having stayed in other places.
They had no permanent address.
他们没有固定的住址。