a fo - a kn
- a foeman worthy of smb.'s steel
- a fog cannot be dispelled with a fan
- a fool always rushes to the fore
- a fool and his money are soon parted
- a fool is known by his laughing
- a fool may ask more questions in an hour than a wise man can answer in seven years
- a fool may give a wise man counsel
- a fool may sometimes speak to the purpose
- a fool may throw a stone into a well which a hundred wise men cannot pull out
- a fool when he is silent is counted wise
- a fool's bolt is soon shot
- a fool's bolt may sometimes hit the mark
- a fool's errand
- a fool's paradise
- a forbidden fruit
- a foregone conclusion
- a fortiori
- a four-letter man
- a four-letter word
- a four-minute man
- a freak of nature
- a free hand
- a free lance
- a French letter
- a fresh hand
- a fresh-water college
- a friend in court is better than a penny in purse
- a friend in need
- a friend in need is a friend indeed
- a friend to all is a friend to none
- a frog in one's throat
- a full cup must be carried steadily
- a full sister
- a full team
- a full-bottomed wig
- a full-dress debate
- a funny bone
- a funny farm
- a gag rule
- a gallery play
