make a day/night/evening/weekend of it idiom
花一天／夜／晚／周末的时间做…
to make an activity longer or combine a series of activities so that they last for the whole of that particular period of time
We wanted to drive up the coast, so we decided to make a weekend of it. 我们想开车去海边，于是我们到海边过一个周末。
We don't go out often so we thought we'd make a day of it. 我们不常出来，所以想好了要出来就呆上一整天。