plug away (puragu awei)

Idiom Effort

意味

to keep working steadily on something

何かに着実に取り組むこと (nanika ni chakujitsu ni torikumu koto)

例文

"Keep plugging away at the draft and it will improve."

"草案に取り組み続ければ、改善されます。" (Kōan ni torikumi tsuzukereba, kaizen saremasu.)