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- One should not run about aimlessly during an alert. 空袭警报期间不可到处乱跑。
- She is always on the alert for some new calamity. 她总是保持警觉以防某种新的灾难。
- Keep on the alert; we're due for an inspection. 提防着点，轮到检查我们了。
- Our fighter planes are all armed with cannon. 我们的战斗机都装备了机关炮。
- Be sure to be watchful or alert. 必须留神，千万要提防。
- The fighter plane was completely destroyed. 这架战斗机彻底毁坏了。
- The sword is an attribute of a fighter. 剑是斗士的象征。
- Doctor Bethune is a great international fighter. 白求恩大夫是个伟大的国际主义战士。
- She won't give up easily: she's a real fighter. 她不会轻易放弃的，她十分顽强。
- They have put the army on the alert. 他们已使军队进入戒备状态。
- The promoters matched the young boxer with a more skillful fighter. 发起人安排这位年轻的拳击选手同一位更老练的拳击手比赛。
- The alert leopard went up to a deer quietly. 警觉的豹子静悄悄地走近一只鹿。
- He was a sturdy fighter for racial equality. 他是一个为种族平等而奋斗的坚强战士。
- An alert listener will have noticed the error. 耳朵尖的人能听出这个错。
- He is a tireless fighter against racism. 他是一位不屈不挠的反种族歧视的斗士。
- He is a fighter with an unconquerable will. 他是个有着不屈不挠意志的斗士。
- The fighter hit at his opponent but missed. 拳击手向对手打了一拳，但是没有打中。
- A fighter plane is revving up on the hanger apron. 飞机库前面停机坪上，一架战斗机正在起动。
- The district was put on red alert during a terrorist bomb scare. 这个地区在得到恐怖主义者轰炸后作了应急准备。
- Alert to circumstances; attentive. 对周围环境敏感的; 留心的
