Chinese phrase
随便吧 suí biàn ba
Meaning
It's up to you
When to use it
It shows no strong preference. It is a casual reply that leaves the choice to another person and says that any option is fine.
Example dialogue
今晚吃什么？ jīn wǎn chī shén me
What shall we eat tonight?
随便吧，我都可以。 suí biàn ba wǒ dōu ké yǐ
It's up to you, anything is fine with me.