The adverb of degree 颇
Adverbs of degree (程度副词) are used to intensify or modify the degree of an adjective or verb.
The adverb 颇 
is used to emphasize a strong degree of something.
In a sentence, it is placed before either an adjective or a verb
For example, 难度颇大
or
颇感兴趣 .
is used to emphasize a strong degree of something.
In a sentence, it is placed before either an adjective or a verb
For example, 难度颇大
or
颇感兴趣 . Pay attention
颇 is most commonly used in written language.
Examples
我对这部电影的印象颇深
I was very impressed by this film
wǒ duì zhè bù diànyǐng de yìnxiàng pō shēn
他对导游 这份工作颇有兴趣
He is interested in working as a tour guide
tā duì dǎoyóu zhè fèn gōngzuò pō yǒu xìngqù