2 sentences

1. 他们决定冰释前嫌，重新开始合作。

   tā​men jué​dìng bīng​shì qián​xián, chóng​xīn kāi​shǐ hé​zuò.

   They decided to bury the hatchet and start cooperating again.

   Source: Dong Chinese Dictionary

2. 经过一番坦诚的对话，两人的矛盾涣然冰释。

   jīng​guò yī fān tǎn​chéng de duì​huà, liǎng rén de máo​dùn huàn rán bīng​shì.

   After a frank conversation, the conflict between the two completely dissolved.

   Source: Dong Chinese Dictionary