In Chinese culture, showing respect and avoiding direct confrontation or imposition are highly valued. This is where 请问 (qǐngwèn) plays a crucial role. It's more than just a polite word; it's a social lubricant that acknowledges you are about to take up someone's time. In many Western cultures, particularly American culture, directness is often valued for its efficiency. You can walk up to a service counter and immediately ask, “How much is this?” without it being considered rude. In China, while this might be acceptable in a busy market, prefacing the same question with 请问 is always the safer, more respectful choice. It shows you are not demanding information but politely requesting it. Using 请问 demonstrates good upbringing and cultural awareness, immediately setting a positive tone for the interaction. It's a small gesture that signals you respect the other person's time and space.
请问 (qǐngwèn) is used constantly in daily life. It is almost always placed at the very beginning of a question.