### Chinese: 那边是订餐热线，他们说什么都不知道
### English: There's an ordering hotline over there, and they say they don't know anything
### Errors: There is a major error of incorrect translation has stylistic problems at "There's an ordering hotline over there,". There is a major error of wrong grammatical register (eg, inappropriately informal pronouns). internal inconsistency (not related to terminology) at "they say".

### Improved English: That was the order hotline, and they said they didn’t know anything.