no-nonsense

Từ điển Oxford Advanced Learner 8th

ˌno-ˈnonsense [no-nonsense] BrE NAmE adjective only before noun
simple and direct; only paying attention to important and necessary things
•a no-nonsense approach/style
•She was a tough, no-nonsense leader.

Example Bank:
•We adopt a no-nonsense approach to unpaid bills.