### Chinese: 令人担心，究竟要等多久才会完成
### English: It is worrying how long it will take to finish
### Errors: There is a major error of incorrect translation does not accurately represent the correct translation at "finish instead of arrive". There is a major error of incorrect translation has stylistic problems at "It is worrying instead of It's worrying".

### Improved English: It’s worrying, how long do I have to wait before it arrives?