Giải nghĩa:
A person who is usually quiet or obedient will retaliate or revolt if pushed too far. The phrase refers to the prediction of a drastic change in a situation due to the action of a person or thing usually taken lightly or regarded as powerless or insignificant.
Ví dụ:
He has been enduring his boss's tantrums silently for a long time, but beware, the worm will turn.