heartless
displaying a complete lack of feeling or consideration.
cheeky
showing a lack of respect or politeness in a way that is amusing or appealing.
brainwave
a sudden clever idea
to put (your) finger on it
to know or understand something, and be able to say exactly what it is
to stick (your) neck out
to bravely say or do something that might be criticized or might turn out to be wrong
to see eye to eye
to have or come to the same opinion or point of view
hair-raising
extremely alarming, astonishing, or frightening
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.
nosy
showing too much curiosity about other people's affairs.
eyesore
a thing that is very ugly, especially a building.
pain in the neck
an annoying or tedious person or thing.