The Marines attacked. They broke open a small hole in the door of the brick building.

VOA: special.2009.07.02

Either you open a nice hole between yourself and the rest of your army, in which case somebody's going to get very badly killed and you're going to be on the run very soon, or you have to somehow communicate to the rest of the army, "Everybody come over this way," which will still leave that flank open to being flanked by the other side.

或者在你和自己的军队之间,形成一个缺口,这样有会造成惨重的伤亡,你很快会全军溃逃,或者你以某种方式和部队沟通,全都过来这边,这样仍会使一侧对敌人敞开,从而受到对方攻击

耶鲁公开课 - 古希腊历史简介课程节选

Two major caves are open to the public near Smoke Hole and Seneca Rocks.

VOA: special.2009.07.20