Usage note
深表示从上到下很大，也可表示程度高。
shēn biǎo shì cóng shàng dào xià hěn dà， yě kě biǎo shì chéng dù gāo。
Deep means a large distance from top to bottom or a high degree.
Context note
深常用于颜色、时间和感情。
shēn cháng yòng yú yán sè 、 shí jiān hé gǎn qíng。
Deep often appears with color, time, and feelings.
5 examples
这个坑很深。
zhè ge kēng hěn shēn。
This hole is deep.
夜很深了。
yè hěn shēn le。
It is already late at night.
颜色很深。
yán sè hěn shēn。
The color is very dark.
他印象很深。
tā yìn xiàng hěn shēn。
He has a deep impression.
水很深。
shuǐ hěn shēn。
The water is deep.
5 mini stories
这个井很深，不能乱看。
zhè ge jǐng hěn shēn， bù néng luàn kàn。
This well is very deep, so you should not look in carelessly.
天已经很深了，大家都睡了。
tiān yǐ jīng hěn shēn le， dà jiā dōu shuì le。
It was already very late at night, and everyone had gone to sleep.
她穿了一件深色衣服。
tā chuān le yí jiàn shēn sè yī fu。
She wore a dark-colored piece of clothing.
这个故事让我印象很深。
zhè ge gù shì ràng wǒ yìn xiàng hěn shēn。
This story left a deep impression on me.
河水看起来很深。
hé shuǐ kàn qǐ lái hěn shēn。
The river water looks deep.
Mini dialogue
水很深
A
这条河深吗？
Zhè tiáo hé shēn ma?
Is this river deep?
B
是的，水很深，要小心。
Shì de, shuǐ hěn shēn, yào xiǎoxīn.
Yes, the water is very deep, be careful.
深呼吸
A
我有点紧张。
Wǒ yǒudiǎn jǐnzhāng.
I'm a little nervous.
B
别担心，深呼吸一下。
Bié dānxīn, shēn hūxī yīxià.
Don't worry, take a deep breath.
Related words and contrasts
opposite
浅
qiǎn
shallow
The direct opposite of deep.
contrast
高
gāo
high; tall
Used for vertical height, while 深 is for depth.
related
厚
hòu
thick
Describes thickness, sometimes confused with depth.