play fast and loose with
US /pleɪ fæst ænd luːs wɪð/
UK /pleɪ fæst ænd luːs wɪð/
1.
いい加減に扱う, 無責任に振る舞う
to behave in a way that is not responsible or reliable, often by changing one's mind or not following rules
:
•
He tends to play fast and loose with the company's policies.
彼は会社のポリシーをいい加減に扱う傾向がある。
•
You can't just play fast and loose with people's feelings.
人々の感情をいい加減に扱うことはできない。