1.   Things had now degenerated into a blood lust.

2.   But things have degenerated to such a state that even light heavyweight champions, in the right circumstance, will turn down millions to avoid a challenge.

3.   From there, things degenerated.

4.   The hiring manager came out of his office and broke it up just before things degenerated into a brawl.

5.   When a lice outbreak occurs, things often degenerate into a blame game, which can complicate efforts to solve the problem.