a moody fellow is not reliable, he may be very nice one moment and may turn very nasty in the next

a saint at a moment and devil at next, someone whose attitude is unreliable or changeable

in short while

in a moment, in a trice, in a jiffy, in a while

a few moments, a short while, two moments

every now and again, time and again, again and again, every moment, repeatedly

at death's door, about to die

moment or time of separation or departure

one man's house burns and another warms himself, (applied to those who are pleased with great misfortunes befalling others if they bring a small advantage to themselves), basking on other's misfortunes

an interval of twenty-four minutes, time, hour, moment

propitious moment or hour

wrist watch