The man’s gaze didn’t waver, and she shivered in the hot noon sunlight.
She turned away from the child’s sunshine smile, sodden and shivering from the thunderstorm in her heart.
Contrast can both intensify the emotion and enable ways for you to be creative in your emotional writing. Don’t fall back on clichés (like I did in the first example above, although the second example isn’t too bad). Be original and richly emotional at the same time.