to have a voracious desire for / to covet / greedy / corrupt
贪
=
今
+
贝
:
The crab (贝) is so greedy (贪) that it rented out its shell to Tecumseh (t) to live in in front of the anthill (an1). It can't wait for the first day of the month to appear on its rip-off calendar (今) so that it can go to collect the rent.
财
=
才
+
贝
:
The King of Chu found a big money bag in the airplane's kitchen, but he knows that there is no free lunch. Carefully, he scans the content of the bag with his X-ray power vision, and inside the bag, he finds a crab waiting to strike on its prey.