buckle up

== English == === Pronunciation === === Verb === buckle up (third-person singular simple present buckles up, present participle buckling up, simple past and past participle buckled up) (transitive) To fasten with a buckle. (intransitive, idiomatic) To fasten one's seat belt or safety belt. Synonym: belt up (intransitive, idiomatic, by extension, usually imperative) To get ready, to prepare oneself. ==== Translations ==== ==== See also ==== buckle down