手術のあと、父の体調はすっかり元に戻った。
After the surgery, my father's health returned completely to normal.
喧嘩していた二人は、すぐに元の仲に戻った。
The two who had quarreled soon went back to being as close as before.
連休明けは生活のリズムがなかなか戻らない。
After a long holiday, it takes a while for my daily rhythm to get back to normal.