The doctor, taken by surprise, awkward and sheepish, knelt too
"Some, however, may be too shy or too lazy to show a bit of smile when meeting people."
while Passepartout, abashed, kept repeating that `it wasn't worth telling'
For instance, for the sake of social intercourse you must smoke; when someone gives you a cigarette, to not smoke is impolite and embarrassing.
You feel awkward about going so you produce a phony imperial edict to drag the along with you, even saving he's making a match for both of us!
To my shame,I forgot(ie I am ashamed that I forgot)his birthday.
Suddenly, they all fell silent as if ashamed to hear their own smutty talk in the sudden quiet
I am ashamed to wear it
He draws his chair back apologetically
She turned red with discomfort when the teacher spoke.