如何 + Verb Phrase
The adverb 如何 (rúhé) means "how" and is used to ask about the method or manner of doing something. It is more formal than 怎么 (zěnme) and is commonly found in written Chinese, titles, and formal speech.
如何提高自己的英语口语水平?
Rúhé tígāo zìjǐ de Yīngyǔ kǒuyǔ shuǐpíng?
How can one improve their spoken English?
请问如何从这里到火车站?
Qǐngwèn rúhé cóng zhèlǐ dào huǒchēzhàn?
Excuse me, how do I get to the train station from here?
我们应该如何解决这个问题?
Wǒmen yīnggāi rúhé jiějué zhè ge wèntí?
How should we solve this problem?