We could not reason out which way the robbers escaped, because we were unable to find any trace of them.
我们推断不出这些强盗是从哪个方向逃走的，因为我们找不到他们的任何踪迹。
adj. 任何的；所有的；丝毫
having、
possessory
adv. 稍微；少许
somewhat、
in some sort