buckle down

1. (idiomatic)To apply oneself to study, or a task or work; to focus on or take a serious attitude towards something; to put forth the needed effort.

   If he would buckle down and do his homework, he could be an excellent student.

   заня́тьсяzanjátʹsja

1. I've really got to buckle down and study for our final exams.

   CK · Tatoeba · CC BY 2.0 FR · B2Open on TatoebaReport a problem

2. Buckle up, sit down, shut up and hold on.

   papabear · Tatoeba · CC BY 2.0 FR · B2Open on TatoebaReport a problem

3. In these times of crisis, many people have to buckle down.

   espamatics · Tatoeba · CC BY 2.0 FR · B2Open on TatoebaReport a problem

4. I have lost too much time, I need to buckle down.

   anzart · Tatoeba · CC BY 2.0 FR · B2Open on TatoebaReport a problem

5. He has lost too much time, now he needs to buckle down.

   anzart · Tatoeba · CC BY 2.0 FR · B2Open on TatoebaReport a problem

irregular

• buckle upTo fasten with a buckle.
• buckle inTo secure (someone) with a seatbelt or child's car seat.
• buckle downTo apply oneself to study, or a task or work; to focus on or take a serious attitude towards something; to put forth the needed effort.
• buckle overTo bend over suddenly, pitching forward from the waist, as for example when vomiting suddenly.
• buckle toSynonym of buckle down (“to apply oneself to study, or a task or work; to focus on or take a serious attitude towards something; to put forth the needed effort”).
• buckle underTo reluctantly accept something (due to a source of social pressure).