buckle down

Verb

idiomatic

(idiomatic) To put forth the needed effort; to focus; become serious; apply oneself (e.g. to work or study).

Japanese Meaning

本腰を入れて取り組む / 真面目に取り組む / 集中して努力する

If you want to pass the exam, you need to buckle down and finish reviewing the material this weekend.

試験に合格したいなら、今週末は本腰を入れて教材の復習を終えなければならない。

Sense（1）

(idiomatic) To put forth the needed effort; to focus; become serious; apply oneself (e.g. to work or study).

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

buckles down

（ present singular third-person ）

buckling down

（ participle present ）

buckled down

（ participle past ）

buckled down

（ past ）