一、详细释义：

n.

轻打，轻敲 [C]

龙头；阀门；旋塞

例句：

The tap on the cask was dirty.

桶上的塞子很脏。

例句：

Which is the hot tap?

哪一个是热水龙头？

电话窃听；窃听器

例句：

Hacking into an optical network like this is the modern equivalent of a wire tap.

像这样窥窃光纤网络就是现代版的电话窃听。

例句：

The detectives put a tap on the suspect's telephone.

侦察人员在嫌疑犯的电话上装窃听装置。

（补鞋的）掌子，鞋掌

踢踏舞；踢踏舞鞋

例句：

She began to learn both tap and ballet from an aunt.

她开始跟随姑姑学习踢踏舞及芭蕾舞。

v.

轻打，轻敲，敲打出 [T]

例句：

The tooth hurts when I tap it.

我轻敲时，牙齿会痛。

例句：

I can tap it over the net with a backhand ahot.

我可以用反手拍打击将球打过网。

打节拍 [T]

例句：

Try this exercise keeping an even beat. Tap with your foot or count in your head.

尝试这个练习保存一段平稳的节拍，用你的脚打拍子或在心里数。

利用，开发，发掘（已有的资源、知识）[T]

例句：

It is very important to tap intellectual resources.

智力开发是很重要的。

例句：

Together let us explore the stars, conquer the deserts, eradicate disease, tap the ocean depths.

让我们一起探索星空，征服沙漠，根除疾病，发掘海洋的深度。

窃听，（在电话上）安装窃听器、搭线窃听 [T]

例句：

I guess our telephone has been tapped.

我猜想我们的电话被窃听了。

例句：

It is illegal to tap a telephone wire.

窃听电话是非法的。

轻打，轻敲，敲打出 [I]

例句：

Someone is tapping on the window.

有人在敲窗户。

例句：

The butler ventured to tap at his door.

管家壮着胆子敲了敲他的房门。

（从容器等）汲取（液体）；导出，使流出 [I]

例句：

He tapped off cider from a cask.

他旋开桶塞汲取苹果酒。

例句：

The workers tapped the rubber trees.

工人们割橡胶树皮采胶液。

【美国英语】选择；推选 [T]

例句：

He was tapped as president of the college.

他被选为该学院的院长。

例句：

They tapped her for a reportorial assignment.

他们指定她去完成一次报道任务。

轻声走 [I]

例句：

The pupils tapped across the room.

学生们轻声地穿过房间。

跳踢踏舞

例句：

I enjoy what I do, I tap dance to work every day.

我享受我做的事情, 我每天都跳着踢踏舞去工作。

例句：

On the table was an upside down pot and a duck tap dancing on it.

桌子上反扣着一个盆，上面有只鸭子在跳踢踏舞。

二、词义辨析：

knock,tap,rap,pat

这些动词均有“敲、击”之意。

knock指用拳头或其它器械猛敲或猛打；也指用手轻敲某物。

tap多指慢慢地连续地轻击或轻拍。

rap指用手指或木棒等快速地轻敲或急拍。

pat指用手轻拍以示同情、赞同或爱抚。

三、相关短语：

on tap

现成的,可以随时取用的

tap dance

n. 踢踏舞

tap water

n. 自来水（非蒸馏水）

tap out

打出

spinal tap

脊椎抽液

tap wrench

铰杠，丝锥扳手，螺丝攻扳手

tap dancing

n. 踢踏舞

water tap

水龙头

四、参考例句：

Turn the tap off.

把水龙头关掉。

Who left the tap running?

谁忘了关水龙头了?

Which is the hot tap?

哪一个是热水龙头？

The tap on the cask was dirty.

桶上的塞子很脏。

A tap in the kitchen was dripping.

厨房的水龙头在滴水。

The tooth hurts when I tap it.

我轻敲时牙齿会痛。

We should tap the potential of employees.

-1

Toby is turning on the tap.

托比正在开水龙头。

The water leaked from the tap drop by drop.

水一滴一滴地从龙头漏出来。

It is illegal to tap a telephone wire.

窃听电话是非法的。