English Idioms: Big fish in a small pond

English Idioms About “Animals”
Idiom: Big fish in a small pond
Meaning: One who has achieved a high rank or is highly esteemed, but only in a small, relatively unimportant, or little known location or organization.
Example: Dr. Jones could get a professorship at an Ivy League university, but he enjoys being a big fish in a small pond too much to ever leave Hannover College.

English Idioms: Age out of something

English Idioms About “Age”
Idiom: Age out of something
Meaning: The phrase age out of something means to reach an age at which one is no longer eligible for the system of care designed to provide services, such as education or protection, for people below a certain age level.
Example: He has aged out of the special student scholarship program.

English Idioms: Age before beauty

English Idioms About “Age”
Idiom: Age before beauty
Meaning: A phrase said to allow older people to go before younger ones. Now most often used humorously or lightheartedly, and usually said by a younger person to an older friend or relative out of mock pity for being so much older and unattractive.
Example: Please, you first. Age before beauty, you know.