unambiguous

他的回答非常明确，没有任何含糊之处。

His response was completely ___unambiguous, leaving no room for doubt.

老师的指示非常明确，不会有任何误解。

The teacher's instructions were ___unambiguous, leaving no room for confusion.

她的解释简单直接，没有多余的细节。

Her explanation was clear and ___unambiguous, without any unnecessary details.