Grammar fix
buckle down
start working hard
To start working hard and seriously, especially after wasting time or avoiding a task.
phrasal verb
How oftenCommon
LevelB2
Used inSpeech & writing
Hear it in context
Notice where the phrase sounds natural.
I’ve got an exam next week, so I really need to buckle down and revise.
When exams are close, I usually buckle down and study in the library because I get distracted at home.
Fix the pattern
One small grammar move makes it sound right.
Not: I need to buckle up to my homework.
Say: I need to buckle down to my homework.
'Buckle down' means start working seriously; 'buckle up' means fasten a seat belt.
Don't confuse it
Other ways to say it
Start working seriously and properly
How determinedFocusedVery determined
get down toStarting serious work after distraction or delay.
buckle downYou're here · A bit more American: start working hard and seriously.
knuckle downA bit more British: make yourself work hard, e.g. for exams.