1. burn: (脸)发烧
Why is your face burning like mad?
His face burned with embarrassment.
2. blush: (因尴尬而)脸红
I always blush when I speak in public.
I blush to think of what a fool I made of myself.
A blush of shame crept up his face.
3. flush: (因尴尬、发热而)脸红
A faint pink flush coloured her cheeks.
The champagne had caused his face to flush.
4. glow: 脸色容光焕发
The children's faces were glowing with excitement.
Like all the staff at the health club she had the healthy glow of the young and fit.