Some idioms I'd like to share with you.
You can't teach an old dog new tricks.
Meaning: It is very hard or almost impossible to train an older person to acquire some new skill.
*You'll never teach your grandfather how to do his income tax on a personal computer. You can't teach an old dog new tricks.
John Hancock or John Henry
Meaning: Your signature; your name in writing.
*The man said, "Put your John Hancock on this paper". Joe felt proud when he put his John Henry on his very first driver's license.
