relax;allay;calm;ease up;abate ;
例句:
The little girl's smile thawed the angry old man.
小姑娘的微笑使发怒的老头缓和下来.
In her dying days the old Queen unbent a little.
在临死的那些日子里,年迈的女王态度稍缓和了一些。
His advice helped to smooth out their relationship.
他的劝说有助于缓和他们的关系.