| 例句 |
The fate of the project hangs in the balance.此项目的命运仍未可知。It is questionable whether the expenditure on this project is really justified.该项目的开支是否真的合理还未可知。How far the republics can give practical help, however, is uncertain.然而，共和政体究竟能够提供多少切实可行的帮助还未可知。 |