buckle down

Why not be content with his little success and buckle down to his profession?

You buckle down and attend to your work for a spell, thats my advice to you.

That much accomplished, now he could buckle down for the big fight.

All the same, when I buckle down to my job, I'm not such a bad hand at it.

The grim resolution of the people to buckle down and win it.

You are not afraid to buckle down to the necessity and keep on trying.

"Oh, I don't want you to buckle down at once," said his father, smiling.

Gee, Ill have to buckle down to my own job or hell leave me at the post!

Weve got to finish at college, I suppose, and then buckle down to business.

Was it really worth while, he wondered, "to buckle down" and learn to read?