buckle

中文： 扣住、系紧、全力以赴

1. To fasten (something) using a buckle (noun etymology 1, noun sense 1); hence (obsolete), to fasten (something) in any way. (transitive)
2. To apply (oneself) to, or prepare (oneself) for, a task or work; also (obsolete), to equip (oneself) for a battle, expedition, etc. (figuratively, transitive)
3. To apply oneself to or prepare for a task or work. (figuratively, intransitive)

复数 buckle · He/she/it buckles · 过去式 buckled · 过去分词 buckled · -ing形式 buckling