Some examples and tips
Scottish accent: Ye alright there? Ye sound like yer outta’ breath!" I exclaimed, placing my hand on his shoulder. “Jus’ calm down, yer fine.”
One: Scottish Translation: “Oh, I’m so sorry about that. I’m an (1)ejit. A got 'em mixed up.”
Two: This never happens with actual bilingual characters where they switch to another language of one word of the sentence.