例句-1:My uncle's got two joys in life: faith in God and working all day in his dry cleaning shop for his children's future. He doesn't care if you call him a stick-in-the-mud: he knows what he's doing.
例句-2:The man next door looks young but he is an old stick-in-the-mud in his outlook. He never goes out or has friends in - he just sits around in front of the TV, the great American sedative.
例句-3:The defense is trying to muddy the water by painting the wife as bad. Whether she was good or bad is not the issue. The question here is did this man kill a fellow human being in cold blood!