buckle down

US 
UK 
  • v.开始努力干
  • Web认真做事或者扣紧;努力从事;倾全力
Simple Present:buckles down  Present Participle:buckling down  Past Tense:buckled down  
v.
1.
开始努力干

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard