After a while, she got into the swing of her job. [=she got used to her job and was able to do it well]不久后她便熟悉了工作，干得得心应手。

I've been away on vacation but I should be (back) in the swing of things in a few days.我刚度假回来，不过几天之内我应该就能（重新）融入工作。