delicate surgical operation
to skate on thin ice
Verb
to touch lightly on a delicate matter
Verb
to touch upon a delicate matter
Verb
awaiting to favour of your reply
to be in a delicate condition
Verb
with your kind permission
precarious state of health
exchange of civilities
Noun
to learn some polite phrases
Verb
to be at their most delicate
Verb
to tread on delicate ground
Verb
to be of delicate health
Verb
to be exquisitely polite
Verb