As an adjective:
* The team's sustained effort finally paid off with a victory.
* The company experienced sustained growth in the last quarter.
* Her sustained focus on her studies helped her earn a scholarship.
As part of a verb phrase:
* The hikers sustained their energy levels with frequent breaks.
* He sustained a serious injury during the game.
* The government must sustain the economy during this difficult time.
In specific contexts:
* Sustained applause filled the auditorium after the performance.
* The city experienced sustained winds during the hurricane.
* The study showed sustained improvement in the patients' health after treatment.
Remember: "Sustained" emphasizes something that continues for an extended period.