驾轻就熟的英文是「be able to handle a job with ease because one has had previous experience」
jia qing jiu shu
驾:赶马车。驾轻车,走熟路。比喻对某事有经验,很熟悉,做起来容易。
唐·韩愈《关石处士序》:“若驷马驾轻车,就熟路,而王良、造父为之先后也。”