plug away
中高级 (B2) informal
To keep working hard at something even when it's difficult or takes a long time
"She plugged away at her thesis for three years before finally submitting it."
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April 30, 2026 | Big Blue Kickoff Live | New York Giants
New York Giants · 5:07
plant your butt down into the ground, and plug away,
OverDrive Live - May 06
TSN · 76:43
It's just keep trying to plug away and try to get