Examples:

• As your guardian angel, i'm supposed to lend an ear, If you need it.
• Yeah, well, I thought you might need somebody to lend an ear or a shoulder.
• Always be modest, always strive to learn all the universal can teach, and always lend an ear to what people have to say.
• A journalist should be willing to lend an ear to anyone and interpret their words with an open mind, free from any preconceived prejudice they might have.
• And will you tell him that if he ever needs me... if he ever feels the need to talk to anyone... that I'll always lend an ear?