invest (one's) time in (something)

invest (one's) time in (something)

To put forth effort toward some task or goal. If I invest my time in this project, I want to see some good returns.See also: invest, time

invest someone's time in something

Fig. to put one's time, effort, or energy into a project. Mary invests her time in charity work. I invested five weeks of my time building this model ship.See also: invest, time