conjunction, verb, idiom, pronoun, noun · conjunction used to connect a cause or reason with a result, often translated as 'and thus' or 'and so'

他因为家里有急事而提前离开了。

conjunction, verb, adjective, idiom, expression, preposition, adverb · connects words or phrases to express coordination, addition, or sequence

这是一个伟大而艰巨的任务。

conjunction, idiom, noun, expression, verb, adverb, punctuation, pronoun · connects clauses or phrases to express contrast, opposition, or a turn in meaning

我们要的是质量，而不仅仅是数量。

conjunction, particle, idiom · indicates a transition or change of state from one condition to another

我们的祖国正由弱而强。