when it comes to the cause; when you get right down to it; as for what started it; as for the reason; originally
on the least pretext; at the drop of a hat
on the least pretext; at the drop of a hat
always contradicting what other people say
always contradicting what other people say
one should do more than what is literally being asked for; (lit.) when told (to bring) the chisel, (also bring) the mallet