.Hit off = get along well with/feel at home with 投缘；一拍即合；相处得好
You two are really gonna hit it off.
你们俩会很合得来的。
Hit it off常用来形容人与人之间性情相投，而且可以用来描述任何种类的人际关系，包括一般友情和婚恋关系。
Marcel兴致勃勃地想将他喜欢的女孩——Cami介绍给他得力小女巫朋友Davina,并觉得她们会很合得来。请看例句：
Cami and Davina really hit it off since they met each other then obviously they are friends now.
Cami和Davina之间真的很合得来，自从她们相遇后便一见如故。
