(of an animal, plant, or person) grow or develop without restraint or discipline
（动植物，人）疯狂生长；变野蛮；变粗暴；失去控制（约束）
these horses have been running wild since they were born.
这些马自出生以来一直缺乏驯化。
her imagination had run wild.
她让自己的想象力自由驰骋。
uncouth in appearance or behaviour
粗野的，野蛮的