to signal
第三人称
signals
现在进行时
signaling
过去式
signaled
过去完成时
signaled
1
发信号, 示意
to give someone a message, instruction, etc. by making a sound or movement
及物动词
- The coach signaled the players to execute a specific play using hand gestures.
教练用手势示意球员执行特定的打法。
- In a crowded room, she discreetly signaled her friend across the table to join her.
在一个拥挤的房间里，她 discreetly 示意 桌子对面的朋友加入她。
- The traffic officer signaled drivers to stop or proceed using hand signals.
交通警察用手势示意司机停车或继续前进。
- The referee signaled a penalty by raising the yellow card.
裁判员通过举起黄牌示意了一个点球。
2
信号, 表示
to indicate something as a sign for something else
及物动词
- The dark clouds in the sky signaled an approaching storm.
天空中的乌云预示着一场即将来临的风暴。
- His frequent coughing signaled that he might be coming down with a cold.
他频繁的咳嗽预示着他可能要感冒了。
- The sudden drop in temperature signaled the onset of winter.
温度的突然下降标志着冬天的开始。
- The sudden increase in sales signaled a surge in demand for the product.
销售额的突然增加表明对该产品的需求激增。
- The sudden appearance of police cars signaled trouble in the neighborhood.
警车的突然出现预示着附近有麻烦。
3
示意, 表达
to do something to make one's feelings or opinions known
及物动词
- She signaled her disapproval by crossing her arms and frowning.
她通过交叉双臂和皱眉来表示她的不赞成。
- The protesters signaled their dissent by chanting slogans and holding up signs.
抗议者通过喊口号和举标语表达了他们的异议。
- He signaled his agreement by nodding his head vigorously.
他通过用力点头表示了他的同意。
- The audience signaled their boredom by checking their phones and shifting in their seats.
观众通过查看手机和在座位上动来动去来表示他们的无聊。
- She signaled her annoyance by tapping her foot impatiently.
她不耐烦地轻敲脚来表示她的烦恼。