happy that something unpleasant has not happened or has ended:
I’m so relieved to find you - I thought you’d already gone.
He was relieved to see Jeannie reach the other side of the river safely.
I’m relieved (that) you didn’t tell her.
verb
~ sb to replace sb who is on duty 接替；给…换班
to relieve a sentry
换岗
You’ll be relieved at six o’clock.
六点钟有人来换你的班。