Chinese phrase
先谢谢了 xiān xiè xiè le
Meaning
thanks in advance
When to use it
It thanks someone before they do what is asked. It often follows a request and sounds polite and friendly.
Example dialogue
你明天能帮我带午饭吗？先谢谢了。 nǐ míng tiān néng bāng wǒ dài wǔ fàn ma xiān xiè xiè le
Can you bring me lunch tomorrow? Thanks in advance.
没问题，想吃什么？ méi wèn tí xiǎng chī shén me
No problem. What would you like to eat?