sonrojar

Ellas no se sonrojan porque no conocen vergüenza ni pecado.	They do not blush, for they know not embarrassment or sin.
No se sonrojan al admitir que les gusta.	They don't blush to admit they like it.
Sin embargo, algunas personas también se sonrojan cuando se sienten incómodas, así no te bases solo en sus mejillas enrojecidas para concluir que le gustas.	Some people also blush when they're feeling awkward or uncomfortable, though, so don't rely exclusively on reddened cheeks to tell you whether he likes you.
Se sonrojan cuando son felices.	They blush when they're happy.
Sé que tus mejillas se sonrojan cuando te dicen que estás guapa.	I know your cheeks get red when people say you're pretty.
Mis orejas se sonrojan.	My ears are burning.
Pero entonces vi que algunas personas, si están muy preocupadas por su apariencia, se sonrojan cuando algo malo ocurre.	But then I saw that some people, if they're very concerned about their appearance, their face becomes very red when something wrong happens.
Se sonrojan y se hinchan.	They blush and swell.