imprecise

他的回答很模糊，只能给出一个大概的数字。

His answer was ___imprecise, only giving a rough number.

这张地图的比例尺有些不精确，导致我们迷路了。

The scale on this map is ___imprecise, which made us get lost.

他的描述太模糊了，我们无法确定具体位置。

His description was too ___imprecise for us to pinpoint the exact location.