动词 freak:

1. lose one's nerve

freakn.怪人；狂热爱好者；怪事；反复无常adj.奇异的；不正常的vt.使强烈反应(震惊；畏惧)vi.在药物影响下变得异乎寻常Freak out.大发脾气 。freak target不正常靶freak sb out(使)极度兴奋； 焦虑不安freakishnessn.异想天开；反复无常；怪异；荒诞freak shapes奇形怪状freak result反常结果freak drought畸形干旱freak deliver古怪多变的投球freak service发变化球freak delivery古怪多变的投球

1. Don't get freaked out just because your parents come.
   不必因看见父母来了就吓成这样。
2. This ordinary quiet guy just freaked out and shot ten people.
   这个平时温和的家伙简直发疯了，开枪打死了十个人。