小の虫を殺して大の虫を生かす

しょうのむしをころしてだいのむしをいかす

[shounomushiwokoroshitedainomushiwoikasu]

Definitions

1.expressions (phrases, clauses, etc.); Godan verb with 'su' ending

to sacrifice something small in order to save something great; to lose a leg to save one's life; to kill a small bug and save a large one