手を抜く

てをぬく

to cut corners; to be shoddy; to slack off; to go easy (on an opponent); to hold back (in a competition, fight, etc.)

expression verb

Example sentences

それは定石（じょうせき）通（どお）りというだけで、手（て）を抜（ぬ）いたわけではないのです。

That's just standard practise, it's not like they're cutting corners.