adjective · intense, extreme, or devastating (often describing pain, weather, or an effect)

昨晚的风刮得很厉害。

adjective · extraordinary, amazing, or highly capable in a favorable way

他年纪轻轻就拿了冠军，真厉害。

adjective · strict, harsh, or formidable in personality and attitude

这位老师很厉害，学生们都很怕她。

adjective · strong, fierce, or virulent (referring to animals, tastes, or biological agents)

这种感冒病毒非常厉害。