Examples of using "тройку" in a sentence and their english translations:
He got a D.
Tom got a D on his test.
Why did I get a C?
You'll be all right again in a couple of days.
and then boom, I popped up in the top three spots
I got a C in French.
I didn't tell my parents that I only got a C on my French test.
I got a C in English.
Tom usually only gets his hair cut two or three times a year.