“高手(gāoshǒu)”are those who excel at doing certain things or are professional in one specific field.

“幸运儿(xìngyùn ér)”refers to someone with good luck.

“夜猫子(yèmāozi)” means owls in Chinese dialect.

“左撇子(zuǒpiězi)” refers to those who are used to using their left hands to do things such as handling chopsticks or scissors.

Recently the expressions of “宅男/ 宅女(zháinán/zháinǚ)” become popular among the young people in China.

"吹牛( chuīniú)” means to talk but ignore the facts.

“小看(xiǎokàn)” means to look down upon somebody or belittle something.

"掌上明珠(zhǎngshàng míngzhǔ)" literally means a valuable pearl in one’s palm.

"出马(chūmǎ)" originally meant riding to the war field to kill enemies. It now means attending to the matter personally.

Sometimes people say "转眼间" or "转眼之间" to indicate that time passes very quickly.

“绕口令(ràokǒulìng)” is a kind of language game. It is composed by the words or phrases that have the similar pronunciations or tones.

“开夜车(kāi yèchē)”literally means driving at night and it is a metaphor for staying up late to study or work.

“玩命(wánmìng)”means to act regardless of the hazard or not take one’s life seriously. It is usually said with a mocking tone.

"白搭(báidā)" is a colloquial word. It means certain ways or ideas are of no use or inefficient.

the word is changed to mean being unprofessional in doing things.

“红包(hóngbāo)” originally referred to the red packets containing money as a gift from the senior to the junior in Spring Festival.

“工作狂(gōngzuòkuáng)” refers to a person who compulsively works excessively hard for unusually long hours, sometimes even a bit obsessively.

"零距离(língjùlí)" is a catchword in recent years. It means there is no intermediate links in between or having a close contact with something.

“炒鱿鱼” is used to refer to being fired instead of “卷起铺盖卷走人”. It can also be expressed by “炒了××的鱿鱼” or “××被炒了鱿鱼”.

"猎头（liètóu）" refers to the headhunter, who helps the companies to find good employees.