poner coto

1.
General (all Spanish-speaking regions)neutralformal
- To set a limit or boundary; literally to place a restriction or fence around something.
2.
General (all Spanish-speaking regions)neutralformal
- To curb, restrain, or put a stop to an activity or practice, especially an undesirable or harmful one.

Examples:

ES: Hay que poner coto.
EN: -We've got to stop him!
ES: Se informó que el gobierno de Cuba ha solicitado de los Estados Unidos una mayor acción preventiva en los aeropuertos norteamericanos para poner coto a los secuestros de aviones.
EN: It was informed that the government of Cuba has asked the United States greater preventive action in U.S. airports to halt the hijackings.
ES: El gobierno de Cuba ha solicitado a los EEUU acciones preventivas en los aeropuertos para poner coto a los secuestros de aviones.
EN: - the Cuban government has asked the U. S for more preventative measures in American airports in order to put a stop to the hijacking of airplanes.
ES: Se judaíza, y hace falta poner coto a los extravíos de la fe.
EN: Judaization. And we have to do something against the people without faith.