If she is stupid, she's at any rate pleasant to look at.
如果说她头脑不灵,她这人至少容貌不错。
A tree is known by its fruit.
观其行而知其人。
Apparently what happened was that water collected on these tar pits, and the bigger animals like the elephants ventured out on to the apparently firm surface to drink, and were promptly bogged in the tar.