this man decided to go big when it came time to propose to his girlfrend.何意?

问题描述:

this man decided to go big when it came time to propose to his girlfrend.何意?
it came time 是什么结构?

to go big= 做一些非常不一般的活动,如大喝一顿,狂欢party 等
这小子决定,一旦向他女友提婚后,就要大办一次.
It came time =到此时刻,届时it came time 是什么结构?什么意思?it 主语, came 谓语, time 状语。 到这个时刻, 届时