1 عمومی:: پیچ، سگك، باسگك بستن، قلاب، دست وپنجه نرم كردن
شبکه مترجمین ایران
2 :: سگک
واژگان شبکه مترجمین ایران
1 general:: noun ADJ. belt, shoe VERB + BUCKLE do up, fasten | undo, unfastenCLOTHES
Oxford Collocations Dictionary
2 general:: noun a clasp fastening two ends: The load was secured by a belt and a buckle. verb give way, collapse: My knees would buckle trying to carry that.
Simple Definitions
3 general:: buckle down to start working hard • He'll have to buckle down ( to his work) soon if he wants to pass these exams.
Cambridge-Phrasal Verbs