stretched to the limit
Having expended more resources, energy, or time than one can maintain or sustain; overwhelmed by undertaking too many activities at the same time. Between school, work, and volunteering, I'm just stretched a bit to the limit lately. The injury-plagued team was simply stretched to the limit by the end of the seven-game series.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.