交渉が進むにつれて、相手の態度が軟化してきた。
As the negotiations progressed, the other side's attitude began to soften.
世論の批判を受けて、政府は強硬な姿勢を軟化させた。
In the face of public criticism, the government softened its hard-line stance.
父は初め留学に反対していたが、次第に軟化した。
My father was against my studying abroad at first, but he gradually relented.