किसी काम आदि में अच्छी तरह रत रहना।

तुम अपना काम करो,सफलता अवश्य मिलेगी।
करना, लगा रहना

Continue a certain state, condition, or activity.

Keep on working!.
We continued to work into the night.
Keep smiling.
We went on working until well past midnight.
continue, go along, go on, keep, proceed