非常 + Adjective/Verb
非常 (fēicháng) is an adverb meaning 'very,' 'extremely,' or 'unusually.' It is placed before adjectives or verbs to intensify their meaning, as in 非常好 (very good) or 非常喜欢 (really like). It is slightly more formal than 很 (hěn).
今天的天气非常好,适合出去玩。
Jīntiān de tiānqì fēicháng hǎo, shìhé chūqù wán.
The weather today is very nice, perfect for going out.
我非常喜欢吃四川菜。
Wǒ fēicháng xǐhuān chī Sìchuān cài.
I really love eating Sichuan food.
他的中文说得非常流利。
Tā de Zhōngwén shuō de fēicháng liúlì.
His Chinese is spoken very fluently.