clean up (one's) act

Translations
привести (свои) дела в порядок
After the warning from his boss, he decided to clean up his act.
После предупреждения от начальника он решил привести свои дела в порядок.
Definitions
To improve one's behavior or performance, often by eliminating bad habits or making necessary changes to become more responsible or effective.
Words
clean

verb
привести в порядок
up

adverb
полностью
one

pronoun
свой
is

functional word
есть
act

noun
поведение