embrace the change(с трудностями в новых обстоятельствах: As a new dad, David has embraced the change so beautifully. I'm so proud of him.ART Vancouver)
be on top of the situation(с чем-либо; if you are on top of a situation, you are dealing with it successfully; aware of or in control of a situation КГА)
tackle(также "успешно справиться с": He was able to tackle the recession and create a prosperous economy. • Cats from this colony were regularly observed tackling herring gulls, assisted by their longer back legs which enabled them to jump to catch their prey. (iomtoday.co.im)ART Vancouver)