俚语

lǐ yǔ wǎng wǎng hěn kuài fēng xíng qǐ lai yòu hěn kuài bù zài fēng xíng

俚语往往很快风行起来又很快不再风行。

Slang often goes in and out of fashion quickly.

nián fù yī nián zhè xiē lǐ yǔ zhōng de yī xiē bèi zhèng míng shì shí fēn yǒu yòng de yīn ér zhú jiàn jìn rù le shàng liú shè huì

年复一年，这些俚语中的一些被证明是十分有用的，因而逐渐进入了上流社会。

Year by year, a few of these slang terms prove so useful that they graduate into respectable society.