Top matchCommonWaniKani 52とっかん突貫tokkanNoun, Suru verb, Intransitive verbcharging (at the enemy) with a shout; rushrushing (an activity); working at full speedsee 突貫工事penetration; piercing Listen Conjugations Pitch on OJAD Explore
突貫作業だったから、サイズが合わないかもしれません。It was a rush job, so it might not be a good fit.Break it down Tatoeba Pitch this sentence on OJAD