1) To set at liberty – to free

 They set the prisoner at liberty after five year.

 2) In lieu of – in place of

 You may use a pen in lieu of a pencil

 3) In letter and in spirit – both formally and actually

 Let us be friends in letter and in spirit.

 4) Death levels the crown with the sickle and the spade – death make king equal of a labourer

 When the emperor passed away, death levelled the crown with the sickle and spade.

 5) To cast into limbo – to forget 

 Old friends are cast into limbo.

 6) To have dim view of things – to be pessimistic , to be disapproving

 It does not pay to have dim view of things.

 7) to dish our a story – to give interesting news

 Every newspaper dishes out stories of current interest.

8) After me , the deluge – I do not mind if the whole world suffers so long as I am quite safe

 The King said, ” After me ,the deluge.“

9) damsel in distress – a lady in trouble

 He rushed to the rescue of the damsel in distress.

10) Fevered Imagination – restless, excited

 The modern generation’s fevered imagination often leads them into trouble.