The Vietnamese word "nói lếu" can be translated to "speak saucily" or "speak cheekily" in English. It refers to the act of speaking in a playful, teasing, or sometimes a slightly disrespectful manner. This expression is often used when someone is joking or not taking a situation seriously, and it can have a lighthearted or mischievous tone.
Casual Conversation:
Playful Teasing: