A hard-line policy or tough measure — a firm, uncompromising course of action taken in negotiations, politics, or management.
政府は譲歩を拒む強硬策を打ち出した。
The government announced a hard-line policy refusing to make concessions.
労使交渉が決裂し、会社側は強硬策に出た。
Labor negotiations broke down and the company took tough measures.
外交問題では強硬策だけでなく対話も必要だ。
In foreign affairs, dialogue is needed as well as hard-line measures.