Valley Crossing will take you through some stunning scenery but there are several points along the way where you'll need the level of fitness required to get over some pretty big rocks.

山谷穿越路线会带你们欣赏沿途一些令人惊叹的美景，但经过某些地方时，大家需要具备良好的身体素质，才能翻越巨大的石头。

youdao

Those are your big rocks.

那些都是你的大石头。

youdao

What are the "big rocks" in your life?

在你的人生中“大石头”是什么呢？

youdao

On either side of the path are what look like river beds of big rocks.

VOA: special.2009.07.20

At the bottom of the light house was big heavy rocks.

VOA: special.2010.05.08

But Sotheby's patrons will have to wait until Dec. 11 for the really big rocks.

FORBES: Magazine Article

The key is to decide what your big rocks are and put those first things first.

FORBES: Crystal balls, marathons and big rocks: 3 metaphors for work-life balance

Certain little things are actually the big rocks that can make or break your retirement.

FORBES: Three Essential Retirement Moves You Don't Want to Miss