кот из дома - мыши в пляс meaning in English

when the cat's away the mice will play▼(in the absence of a controlling entity, subordinates will take advantage of circumstances)
phrase
[UK: wen ðə ˈkæts ə.ˈweɪ ðə maɪs wɪl ˈpleɪ] [US: hwen ðə ˈkæts ə.ˈweɪ ðə ˈmaɪs wɪl ˈpleɪ]