What does it mean

English as a Second Language English Vocabulary, Grammar and Idioms
1

Hi.

What does" be a lamb" mean in the following sentence?

be a lamb and open the door for me

Is it kind of complimentor offence?

Thanks

2

Hi,

This is an expression of affection used for someone you are close to and in effect means: Would you be so kind as to open the door for me?

Alan