Suddenly he picked up what looked like a little chip of wood.

突然，他捡起了一块看起来像是小木屑的东西。

A chip is a small piece of something, like a chip of wood. How did this chip get on a person's shoulder?

Chip是指东西的碎屑，像木头屑那样的。这种碎屑是怎么跑到人的肩膀上的呢？

If you strike high up on a tree with an axe, the chip of wood that is cut off will fall into your eye.

拿着斧头砍树，如果爬得太高，木头屑就会落到眼中。

That could be good advice. If you strike high up on a tree with an axe, the chip of wood that is cut off will fall into your eye.

这应该是一个很好的建议。如果你用斧头砍树木很高的位置，被砍掉的木屑可能会落到你的眼睛里。