Chinese Idiom: 艺高人胆大

艺高人胆大 - yì gāo rén dǎn dà - brave and talanted (skilled):

Chinese Idiom: 如鱼得水

如鱼得水 - rú yú de shuǐ - 
 to perform well in a certain situation, to be in comfortable environment 
(literally means: "to feel like a fish in water")

Examples: 

1. 他兴致勃勃，一举一动都如鱼得水。 
Tā xìngzhì bóbó, yījǔ yīdòng dōu rúyúdéshuǐ. 
He was in high spirits doing everything with happy ease. 

2. 高中生活对他来说如鱼得水。
Gāozhōng shēnghuó duì tā lái shuō rúyúdéshuǐ. 
Lifestyle of a high school student is very comfortable for him.

Chinese Proverb About Friendship

出门靠朋友，在家靠父母。 
chū mén kào péng yǒu, zài jiā kào fù mǔ 
While going out, rely on friends; at home rely on parents.

"Idioms About Happy Teacher" Joke

上对外汉语课，老师提问：
“同学们，你们每人说一个汉语成语，形容老师今天很开心很高兴的样子。”
学生很活跃：
“眉开眼笑”
“开怀大笑”
“兴高采烈”……。
老师接着说，
“说出来的成语里要含有数字，
比如一、二、三、四……。”
一位留学生反应很快，大声抢答：
“老师，含笑九泉!”

shàng duìwài hànyǔ kè, lǎoshī tíwèn:
“Tóngxuémen, nǐmen měi rén shuō yīgè hànyǔ chéngyǔ, xíngróng lǎoshī jīntiān hěn kāixīn hěn gāoxìng de yàngzi.” 
Xuéshēng hěn huóyuè:
“Méikāiyǎnxiào”
“kāihuái dà xiào”
“xìnggāocǎiliè”……. 
Lǎoshī jiēzhe shuō,
“shuō chūlái de chéngyǔ lǐ yào hányǒu shùzì, 
bǐrú yī, èr, sān, sì…….” 
Yī wèi liúxuéshēng fǎnyìng hěn kuài, dàshēng qiǎngdá:
“Lǎoshī, hánxiào jiǔquán!”

At a foreign Language class, the teacher asked: 
"Students, each of you say a Chinese idiom describing a teacher who is very happy and cheerful." 
Students are very active: 
"Be all smiles" 
"Laugh a hearty laugh" 
"In great delight" ... 
The teacher then said, 
"In the idiom there should be a number, such as one, two, three, four ...." 
 One student answered quickly and loudly: 
"Teacher, smile in the underworld!"

The Analects of Confucius: Sayings about Learning

三人行，必有我师。 
sān rén xíng, bì yǒu wǒ shī 

This well-known Chinese idiom is literally translated into English as "When I walk along with two others, from at least one I will be able to learn" (James Legge). Nowadays, this wise saying is commonly interpreted as "You have something to learn from everyone". 

Chinese Idioms about Mismatched Marriage | Китайские идиомы о неравном браке

These Chinese idioms‬ describe scenarios of mismatched marriage (unsuitable alliances). Эти китайские ‪‎идиомы‬ описывают разные варианты неравного брака. 

Literally they mean: 

• 癞蛤蟆想吃天鹅肉 - a toad wishing to eat swan meat - жаба мечтает отведать лебяжьего мяса 
• 老牛吃嫩草 - an old cow eats young grass - старая корова ест молодую траву 
• 一朵鲜花插在牛粪上 - a fresh flower on a heap of cow-dung - "воткнуть свежий цветок в навоз"