play fast and loose

Definitions

1. To ignore proper behavior or social conventions, especially when it suits one's purpose.
   idiomatic
2. To be recklessly inaccurate, inappropriate, or otherwise ignoring guidelines and conventions.
   idiomatic
3. To act in a tricky, inconstant way, saying one thing and doing another.
   idiomatic

Examples

“I cannot say⟳ that there were any outright lies in the editorial, but it does play⟳ fast and loose with the truth.”

CEFR level