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

[by storm] See: [TAKE BY STORM].

[by surprise] See: [TAKE BY SURPRISE].

[by the board] See: [GO BY THE BOARD] also [PASS BY […]

[by the bootstraps] See: [PULL ONESELF UP BY THE BOOTSTRAPS].

[by the bye] See: [BY THE WAY].

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

[by the horns] See: [TAKE THE BULL BY THE HORNS].

[by the hundred] See: [BY THE DOZEN].

[by the nose] See: [LEAD BY THE NOSE].