はじく

godan verb (-ku), transitive verb

repel; shed

Often used for water, dirt, or attacks; implies the surface or object does not absorb or allow entry.

• この傘かさは水みずをよくはじく。

  This umbrella repels water well.

• 撥はっ水すい加か工こうで汚よごれをはじく。

  The water-repellent finish sheds dirt.

godan verb (-ku), transitive verb

use an abacus; calculate on an abacus

Specifically refers to moving abacus beads; extended to calculating in general, though less common.

• そろばんをはじいて合ごう計けいを出だした。

  I calculated the total using the abacus.

godan verb (-ku), transitive verb

strum; pluck

Used for string instruments like guitar or shamisen; implies a light, quick plucking motion.

• ギターの弦げんをはじいて音おとを出だした。

  He plucked the guitar strings to make a sound.