die down - become quiet ,become less
    do without - manage without something
    drop by - visit informally; pay a short visit
    every other - alternate
    fall behind - lag; fail to accomplish something on time
    fall through - fail to happen or be completed
    far cry form - completely different from; a long way
    feel like - have a desire or wish for
    feel up to - feel well enough to or be capable of
    few and far between - not happening often; rate
    figure out - determine; reason out by thinking
    fill in for -take another's place
    fill sb. in - tell what sb. should know
    fish out of water - out of one's element or natural environment
    flying colors -success, victory
    for good - permanently; forever
    for the time being - for now; temporarily
    get away with - escape without punishment
    get rid of - give something away; sell, destroy, or throw away something
    get the ball rolling - start something; make a beginning
    get the hang of - understand; learn
    give a hand - help
    go without saying - understood; clear without needing to be stated
    go off -begin to ring