no nonsense
adjective Totally serious; with no tricks or deceit. Hyphenated before a noun. The new manager is very no nonsense in how he deals with customer complaints. We're going to start adopting a no-nonsense approach to the problem.
no nonsense
without any tricks, deceit, or wasting of time. (Hyphenated before nominals.) Let's have no nonsense while we are rehearsing the presentation! Elton is a no-nonsense kind of guy.