The idea was to shock the enemy, frighten him, and make him run away.

VOA: special.2009.12.03

I do not fear poverty and death does not frighten me.

无惧贫困,且死亡也吓不倒我。

耶鲁公开课 - 政治哲学导论课程节选

But the noise does not seem to frighten the birds.

VOA: special.2009.10.06