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

[by heart] {adv. phr.} By exact memorizing; so well that you […]

[by hook or by crook] {adv. phr.} By honest ways or […]

[by inches] {adv. phr.} By small or slow degrees; little by […]

[by leaps and bounds] {adv. phr.} With long steps; very rapidly. […]

[by mistake] {adv. phr.} As the result of a mistake; through […]

[by no means] or [not by any means] also [by no […]

[by oneself] {adv. phr.} 1. Without any others around; separate from […]

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

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