您要查找的是不是：
- A float, often having a bell or light, moored in water as a warning of danger or as a marker for a channel. 浮标常带有铃或灯的漂浮物，在水上漂浮用来作危险警告或航道指示
- An electrical, electronic, or mechanical device that serves to warn of danger by means of a sound or signal. 警报器，警钟一种电力的、电子的或机械的装置，通过发出声音或信号来表示对危险的警告
- When a mother hen makes a loud noise or crouches down, all her chicks understand this as a warning of danger. 当一只母鸡大声作响或是蜷缩蹲下,小鸡们知道这是有危险的警告。
- A warning of existing or approaching danger. 警报对存在或即将到来的危险的警告
- People play in the water near a sign warning of danger at Cardiff State Beach in Encinitas, California, on April 25, 2008. 四月二十五日，民众不顾一旁的危险告示牌，在加州恩西尼他市的加地夫州际海滩戏水。
- No one has given out a warning of the imminent danger. 没有人对即将发生的危险发出警告。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- He was always cool in the face of danger. 他在危险面前总是镇静自若。
- Building society is warning of mortgage rationing. 住宅互助协会警告说要限额分配抵押借款。
- He will never fall away even in time of danger. 他即使在危急时刻也绝不会放弃原则。
- The sound of danger gives wings to his flight. 危险的信号加速了他的逃跑。
- The fire-alarm is giving warning of fire. 报警器正发出火警警报。
- He showed great bravery in face of danger. 面对危险，他表现得十分勇敢。
- He's still in hospital but out of danger. 他仍在住院，但已脱离了危险。
- As often before, birds are acting like the canaries in a mine shaft and giving us early warning of dangerous change. 和以往一样，鸟类的反应正如‘煤矿里的金丝雀’，提前给我们鸣响警钟。”
- There's a lot of danger in rock climbing. 攀登岩壁非常危险。
- Left: Advance direction signs may also give advance indications of prohibitions or warn of dangers ahead. 左图:预告方向标志,也可用以预先警告前面有某种禁制或危险。
- She rushed forward in complete contempt of danger. 她完全不顾危险往前冲去。
- He still smoke despite the continual warning of his doctor. 尽管他的医生多次警告，他还是抽烟。
- A sudden fear caused by the realization of danger. 惊恐意识到危险后所引起的突然恐惧
