tā / píng xīn jìng qì / de / yǔ / duì fāng / gōu tōng / máo dùn / hěn kuài / jiù / huà jiě / le

他平心静气地与对方沟通，矛盾很快就化解了。

He communicated with the other party calmly and collectedly, and the conflict was quickly resolved.