to signal
01
发信号, 示意
to give someone a message, instruction, etc. by making a sound or movement
Transitive: to signal sth
Ditransitive: to signal sb to do sth
例子
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。
02
信号, 表示
to indicate something as a sign for something else
Transitive: to signal sth | to signal that
例子
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。
03
示意, 表达
to do something to make one's feelings or opinions known
Transitive: to signal an opinion or sentiment
例子
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。
Signal
01
信号, 信号
a series of electrical or radio waves carrying data to a radio, television station, or mobile phone
例子
My mobile phone lost signal in the remote area, making it impossible to make calls.
我的手机在偏远地区丢失了信号，导致无法拨打电话。
02
信号, 手势
a gesture or action used to convey a message without using words
例子
She raised her hand as a signal to get the teacher's attention.
她举起手作为信号以引起老师的注意。
03
any stimulus, warning, or indication that encourages or triggers a specific action
例子
The red flag served as a signal to stop work.
signal
01
unusually important, remarkable, or outstanding in quality or effect
例子
The general achieved a signal victory in the campaign.
词汇树
signaler
signaling
signaller
signal
