to put (your) finger on it
to know or understand something, and be able to say exactly what it is
heartless
displaying a complete lack of feeling or consideration.
to put (your) foot in it
to say something that causes someone to be embarrassed, upset, or hurt especially when the speaker did not expect that reaction.
eyesore
a thing that is very ugly, especially a building.
hair-raising
extremely alarming, astonishing, or frightening
nosy
showing too much curiosity about other people's affairs.
cheeky
showing a lack of respect or politeness in a way that is amusing or appealing.
to stick (your) neck out
to bravely say or do something that might be criticized or might turn out to be wrong
pain in the neck
an annoying or tedious person or thing.
brainwave
a sudden clever idea
to see eye to eye
to have or come to the same opinion or point of view