In English, the phrase "你先说" translates to "you go first". This phrase is often used when asking someone to speak or take action before oneself in a social situation.

The exact origin of this phrase is unclear, but it is likely a literal translation from Chinese to English.

Here are some examples of how "你先说" might be used in English:

"你先说" can be translated to "you go first" when asking someone to speak before you in a conversation. For example, you could say "Can you tell me about your day? You go first."

"你先说" can also be translated to "you go first" when asking someone to take action before you in a situation. For example, you could say "Who wants to try the new food? You go first."

In Chinese, these phrases might be translated as follows:

"你先说" 可以翻译为 "请您先说" 当问别人在对话中先说话时。例如，你可以说 "你能告诉我你的一天吗？你先说。"

"你先说" 也可以翻译为 "你先做" 当问别人在某种情况下先行动时。例如，你可以说 "谁想尝试新食物？你先说。"