(as) artful as a wagonload of monkeys British informal simile
Extremely clever, cunning or mischievous
Don't let his shy and obedient appearance fool you. He is as artful as a wagonload of monkeys.
The children are as artful as a wagonload of monkeys, so you must keep an eye on them.
White lie
It is believed that someone who has engaged in immoral behavior will always be be prone to it
a person who treats other people badly and unfairly, a despicable person
Said when one is looking back on something enjoyable or worthwhile in the moment that it was happening even though it was impermanent
The party came to an end, but it was fun while it lasted.