你说了算 (Nǐ shuō le suàn) – “You Decide”
This expression, which translates to “you decide” or “it’s up to you,” is often used in everyday conversations when letting someone else take the lead in decision-making. It shows respect for others’ opinions and is a great way to practice being polite in Chinese.
Example:
A:Wǎnshàng chī shénme?
晚上吃什么?
What should we eat tonight?B:
Nǐ shuō le suàn.
你说了算。
You decide.It’s also a great way to end discussions about plans or preferences without coming across as indifferent.
Source:eChineseLearning