to be in constant conflict or fighting
estar en constante conflicto o luchando (estar en constante conflicto o luchando)
"The two brothers were at each other’s throats all day."
"Los dos hermanos estuvieron a la garganta del otro todo el día." (Los dos hermanos estuvieron **a la garganta del otro** todo el día.)
to stop something before it becomes a bigger problem
to take an idea and develop it further or act on it
to signal someone to stop, especially a vehicle
to be very brave and calm under pressure
a sudden and significant progress
to achieve distinction or recognition