### Chinese: 令人担心，究竟要等多久才会完成
### English: I am worried how long it will take for the completion
### Errors: There is a major error of incorrect translation has stylistic problems at "I am worried how long it will take for the completion". There is a major error of incorrect translation does not accurately represent the correct translation at "I am worried".

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