to find fault with; find fault with; to rain on one's parade; rain on one's parade; to nitpick; nitpick; to quibble; quibble; to find fault ; to cavil ; to carp ; to complain; to pick holes; find fault ; to cavil ; to carp ; to complain; to pick holes; to throw a wet blanket ; to throw cold water ; to jinx; to cast a bad omen; throw a wet blanket ; to throw cold water ; to jinx; to cast a bad omen