adj.严厉的,苛刻的,要求别人服从的,严峻的,难对付的
stern的比较级

原形：stern复数：sterns比较级：sterner最高级：sternest

The teacher gave the boy a stern face.
老师严厉地看着那个男孩。
Please seat yourself in the stern.
请在船尾坐下。
She is afraid of her father's face.
她害怕她父亲严厉的脸。
The teacher sternly warned the students about cheating on the exam.
老师严厉警告学生不要在考试中作弊。
He faced a stern test of his leadership during the crisis.
他在危机期间面临了对他的领导力的严峻考验。
She adopted a stern expression to show her disapproval.
她摆出严肃的表情表示不赞同。
The captain kept a stern watch on the radar for any signs of danger.
船长严密监视雷达，以防有任何危险迹象。
The judge delivered a stern judgment, sentencing the criminal to life imprisonment.
法官做出了严厉的判决，判处罪犯终身监禁。
Parents need to be stern when it comes to setting boundaries for their children.
父母在为孩子设定界限时需要严厉。
The coach gave the team a stern talking-to after their poor performance.
教练在球队表现不佳后对他们进行了严厉的训斥。
The doctor sternly advised him to quit smoking for his own health.
医生严厉建议他为了自己的健康戒烟。
The principal sternly reprimanded the student for his disruptive behavior.
校长严厉地责备了学生的捣乱行为。
Despite her stern exterior, she had a kind heart.
尽管她外表严厉，但内心却很善良。