signal的用法总结大全

signal的意思

n. 信号，暗号；预兆，征象；动机；导火线

vt. 向…发信号；用动作（手势）示意；以信号告知；

vi. 发信号；

adj. 显著的，优越的；暗号的，作信号用的；

signal的用法

用作名词(n.)

Signals are made with flags or lamps.

用旗或灯传递信号。

We live too far from the city to get a strong television signal.

我们住的地方离城里太远,不能收到清晰的电视图像。

用作不及物动词

S+～(+A)

She is signaling.

她正在发送信号。

The submarine signaled for help.

潜水艇发出求救的信号。

用作及物动词

S+～+n./pron.

She signaled the advance.

她发出信号前进。

A bell signals the end of a school period.

铃声标志着学校里一节课的结束。

S+～+that-clause

She signaled that he was about to turn left.

她打信号灯表示他就要转到左面去了。

S+～+wh-clause

They signaled which way one is going to turn?他们打信号示意走哪一条路。

用作双宾动词

S+～+pron./n.+ton./pron

He signaled a message to his brother.

他用信号向他哥哥发信息。

S+～+(to)n./pron.+to-v

He signaled the waiter to bring the menu.

他做手势要侍者拿菜单来。

The conductor signaled the orchestra to rise.

指挥打手势让乐队起立。

Jim signaled his helplessness to Mary to leave the party.

吉姆无法从宴会脱身时,他向玛丽使了个眼色,表示无可奈何。

S+～+(to)n./pron.+wh-to-v

Tom signaled his friend which way to go.

汤姆示意他的朋友走哪条路。