Buckle down
/ˈbʌkəl daʊn/B2
UpperIntermediate
1. To apply oneself diligently to a task or activity, especially in order to complete it seriously and with intent.
- With exams coming up, she knew she had to buckle down and study hard.
- After realizing he was falling behind on his project, he decided to buckle down and finish it by the deadline.
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