不明确

When you are befogged ,it is impossible to have a clear judgement.

当你睡得迷迷糊糊时候，不可能有明确判断。

The evidence from bacteriologic analysis was equivocal.

这一细菌学析证据是不明确。

The import of his statement is ambiguous.

叙述意思不明确。

The sense of the word is not clear.

这词意义不明确。

But diffeomorphism invariant theory leaves some problems to be explained, and the meanings of spacetime and physical theory are still in question.

但胚不变理论存在需要解释问题，空时及物理理论意义仍不明确。