open season

noun
1
the time in the year when it is legal to hunt and kill particular animals or birds, or to catch fish, for sport
فصل مجاز شکار, فصل شکار, فصل قانونی شکار, زمان مجاز شکار
opposite close season
2
a time when criticizing a particular group of people becomes very popular, as if it is no longer important to be polite or fair
زمان آزاد برای انتقاد, دوره نقد آزاد, فصل حمله گسترده, دوره حمله آزاد
It seems to be open season on teachers now.