To 'let George do it' when there are reforms to be brought about.

To keep your hat on when the flag goes by because otherwise you will attract attention.

To find fault without being able to offer remedies.

To keep in debt because life here in America would be monotonous without bill collectors." Cutty interrupted with a laugh.

"Kitty, you'll 'scare Hawksley off the map!" "Let him know the worst at once," retorted Kitty, flashing a smile at the victim.
"Spoofing me--what ?" said Hawksley, appealing to his host.
This quality of light irony in a woman was a distinct novelty to Hawksley.