rumienić się in English:

Some of the college students who are caught cheating on the exams do not even blush.

I blush to think of what a fool I was then.

Tony blushed when he saw his ex.

he blushed with embarrassment

‘A few of the girls were after me,’ he recalled, blushing slightly.

She blushed furiously at the memory of the conversation.

Jane blushed and changed the subject

She blushed and fell silent.

The teenage girl blushed when the boy gave her a rose.

make somebody blush

A letter does not blush.

I blush for you.

I blush to think of such conduct.

A blush came over her face.