work like a dog (犬のように働く)

Idiom Work

意味

to work very hard without rest

休まずに非常に一生懸命働く (yasumazu ni hijou ni isshoukenmei hataraku)

例文

"She works like a dog to provide for her kids."

"彼女は子供たちのために犬のように働く。" (Kanojo wa kodomotachi no tame ni inu no you ni hataraku.)