Buckle down
Meaning: to settle down to something; to begin to work seriously at something, to start working hard
Example: I must buckle down to some work this afternoon. If you don't buckle down to your job, you'll be fired. You had better buckle down and get busy.
Π‘Π΅ΡΠΈΠ°Π»Ρ ΠΈ ΡΠΈΠ»ΡΠΌΡ Π½Π° Π°Π½Π³Π»ΠΈΠΉΡΠΊΠΎΠΌ Ρ ΡΡΠ±ΡΠΈΡΡΠ°ΠΌΠΈ. +1 ΠΠ΅ΡΡΡ Π² ΠΏΠΎΠ΄Π°ΡΠΎΠΊ π
Example: I must buckle down to some work this afternoon. If you don't buckle down to your job, you'll be fired. You had better buckle down and get busy.