the gloves are off
US /ðə ɡlʌvz ɑːr ɔːf/
UK /ðə ɡlʌvz ɑːr ɔːf/

1.
手加減なし, 本気で戦う
used to say that people are ready to fight or compete seriously and aggressively
:
•
After weeks of negotiations, the gloves are off and both sides are ready for a tough battle.
数週間の交渉の後、手加減なしで両者は激しい戦いの準備ができています。
•
When it comes to winning this contract, the gloves are off.
この契約を勝ち取るとなると、手加減なしです。