Translation of "flittig" into English

Hun pleide å være flittig.

She used to be diligent.

Du har visst glemt hvor flittig jeg har beskyttet interessene dine den siste måneden.

You seem to have forgotten how assiduously I have protected your interests over the past months.

For å være gode lærere må menighetens hyrder derfor studere Guds Ord flittig.

You can appreciate, then, that in order to be effective teachers, congregation shepherds must be zealous students of God’s Word.