To cudgel one's brain - (to think hard on something).
The government is cudgelling its brain on how to curb terrorism in the country.
Man of parts -( having great qualities)
A man of parts always acts as a source of inspiration to many.
Palmy days- (the days of prosperity)
In our palmy days we never think of or prepare for the rainy days.
Quixotic project- (grand but impractical)
Building a super computer was initially thought to be a quixotic project.
The sword of Damocles- (an impending danger amidst enjoyment)
During festive celebrations the threat of terrorist activities hangs like the sword of Damocles.