0 to start working hard:
He'll have to buckle down (to his work) soon if he wants to pass his finals.
1 to start working hard:
He’ll have to buckle down if he expects to pass the course.
中文繁体
開始努力工作…
中文简体
开始努力工作…
Polski
brać się (ostro)…
Türk dili
çok çalışmaya koyulmak…
русский язык
приниматься за дело…
НОВИ ДУМИ
European
May 10, 2021
ДУМАТА НА ДЕНЯ
Shimmer
buckle down
