下手な鉄砲も数撃てば当たる
Idiom- 1even the unskilled can succeed by a fluke given enough tries ; even a poor marksman will hit the target with enough shots Translated by Jiyomi
Other writings and readings
下手な鉄砲も数打てば当たる
expressions (phrases, clauses, etc.) · Godan verb with 'ru' ending
JMdict entry 2779680. Source and licence.