I'd go into the heavily ethnic blue-collar areas and make my best pitch, but I could tell I was hitting a lot of stone walls.

我常常跑到少数族裔居多的蓝领阶层居住区，竭力进行宣传，但是我不怕告诉你们，我经常碰壁。

youdao

Pitch the stone into the river.

把石头扔进河里。

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A stone plinth mediates the steep pitch of the site creating both a cloistered parking court as well as a base on which the two story house rests.

石头基座缓和了场地陡峭斜坡的影响，创建了隐秘的停车场以及其上的两层房屋。

youdao