| 单词 | buckle up | 
| 释义 | buckle upphrasal verb   See full dictionary entry for  buckleWhen you buckle up in a car or a plane, you fasten your seat belt.  [informal] A sign just ahead of me said, Buckle Up. It's the Law. [VERB PARTICLE] Examples of 'buckle up' in a sentence | 
	
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