I couldn’t seem to get a fix on the situation.

【fix】我似乎无法认清局势。

He peered out, trying to get a fix on the enemy’s position.

【fix】他仔细地看着外面，试图确定敌人的位置。

And they couldn't get a fix on her when she called in to them.

当她打电话给他们时， 他们无法找到她。

Garcia couldn't get a fix on the call because it was routed through 25 different substations.

加西亚不能锁定来电方位因为那通电话是途经 25个不同的分站打过来的。

We won't go terribly far-just to the edge of our own solar system but we need to get a fix on how big a place space is and what a small part of it we occupy.

我们不会走得太远--只到我们自己太阳系的边缘不过，我们先要明白：空间是个多么大的地方，我们占据的是个多么小的部分。