mull over

I need a few days to mull over your job offer before I give you a final answer.

(Chinese) 在给你最终答复之前，我需要几天时间仔细考虑一下你的入职邀请。

He sat on the porch for hours, mulling over the events of the past week.

(Chinese) 他在走廊上坐了好几个小时，仔细琢磨过去一周发生的事情。