Eat one’s heart out:
(To make oneself ill by being unhappy, by longing for something one cannot have etc.) – The little girl was eating her heart out because she was not allowed to have a dog.
Every now and then:
(frequently, after the lapse of short intervals) – Every now and then a countryman would burst into tears.
(Circumstances, etc. that brings enlightenment and surprise) – Appointment of army officers with district Nazim is an eye opener to politicians.
Face the music:
(Face trouble, punishment, reprimand, or the unpleasant consequences of one’s conduct) – There is no need for you to worry; if anything goes wrong it is I who will have to face the music.
Fair and square:
(Honest) – I believe that a man should be fair and square in his dealings.
(Not at all; by no means) – “Mr. Dickson, you say, is not, strictly speaking, handsome?” “Handsome! Oh no; far from it – certainly plain.”
Fish in troubled waters:
(Interfere in a quarrel, hoping to gain personal advantage) – When the two parties fell out, Americans, always anxious to fish in troubled waters, sent their agents to install the leader of their choice in that country.
Flash in the pan:
(A success that lasts a short time) – People expected her to become national champion but it seems her initial success was just a flash in the pan.
Flesh and Blood:
(human nature) – He is no exception in love he is flesh and blood after all.
Flog a dead horse:
(Waste one’s effort’s on something that is already decided) – Those who are trying to persuade him to change his mind are actually flogging a dead horse.
Follow in someone’s footsteps:
(Do as someone else did before) He has resigned from his job to follow in his father’s footsteps and become a politician.
For better or worse:
(Whatever the result may be) – For better or for worse we were now committed to our course of action.
For the sake of:
(For someone) – A dog will sacrifice his life for the sake of its master.
From the bottom of one’s heart:
(Sincerely) – I wish your success from the bottom of my heart.