查询结果:

vt. 使变软,使变轻柔,使变温和 
vi. 变软,变轻柔,变温和

拆分: soft柔软的 + -en动词词尾  

例: 
vt.
Soften ingredients before mixing a cake. 做糕饼前，先把材料变软再拌和。 
vi.
His smile softened slightly. 他的微笑稍柔和了些。 
His attitude has softened. 他的态度软了下来。 
The ice cream softened and began to melt. 冰淇淋开始变软并开始融化。