(as) gentle as a lamb simile
Used to describe someone kind, calm and pleasant
She looks irritated and cold, but she is as gentle as a lamb if you get to know her better.
Her patients all say that she is as gentle as a lamb.
She is always as gentle as a lamb when dealing with hot-tempered people.
Used to advise somebody to calm down
To stay calm in a difficult situation and react to unexpected things quickly
Used to say that someone should cool down or calm down
The origin of this phrase is not clear.
It was often said by a photographer when he would like small children to look at the camera and smile before he took a photo.
When the photographer said “watch the birdie”, all of us looked at the camera and smiled.