[brown study] {n. phr.} A time of deep thought about something; […]

[burn the midnight oil] {v. phr.} To study late at night. […]

[by and by] {adv.} After a while; at some time in […]

[by fits and starts] or [jerks] {adv. phr.} With many stops […]

[by the dozen] or [by the hundred] or [by the thousand] […]

[by the piece] {adv. phr.} Counted one piece at a time, […]

[calm down] {v. phr.} To become quiet; relax. * /"Calm down, […]

[carrot and stick] {n. phr.} The promise of reward and threat […]

[carry over] {v.} 1. To save for another time. * /The […]

[catch (someone) dead] {v. phr.}, {informal} To see or hear (someone) […]