Roughly speaking, he is at the top of the pile in his company.

粗略的讲，他在他的公司里有举足轻重的地位。

We all pile in and bounce along dirt roads for a couple of hours.

我们都上了车，在土路上颠簸行进了两个小时。

This time, he and everyone else with influence should pile in at once.

此次，他和每一个有影响力的人应该适时出现。

Why do you have to pile in every street fight that we happen to pass?

你为什么非得参加我们碰巧路过的每条街上的巷战不可?。

Given a human face images, can be identified in a pile in the picture!

给定一张人脸图像，能在一堆图片中识别出来！