Question

یه رستوران شیک ( گران قیمت) رزرو کردیم

Answer 1

Fancy' ham kheili rayeje'

Comments

we made a reservation in fancy restaurant

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we usually book a reservation ( not made or make reservation ) + in A fancy restaurant  + usually restaurants are not fancy but shops can be fancy

Answer 2

We booked a table in a prestigious/luxury/luxurious restaurant.

Comments

ممنونم امیر حسین عزیز

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You're very welcome

Answer 3

فکر کنم چنین رستورانی رو Posh  میگند.

a posh restaurant British English informal (=where richer people go)

Comments

Goood+

Answer 4

Also​

 

fashionable or used by fashionable people

one of Bonn’s smartest restaurant

Tony restaurants

Classy restaurants

Ritzy restaurants

 

Answer 5

We booked a trendy/cool/stylish/fashionable restaurant