degenerate

恶化、变糟、沦为

The peaceful protest quickly degenerated into a violent riot.

和平的抗议很快恶化成暴力的暴动。

退化、衰退

Without regular exercise, muscles gradually degenerate.

缺乏规律运动，肌肉会逐渐退化。

堕落、腐化

He worried that the city had degenerated into a place without rules.

他担心这座城市已经堕落成一个毫无规矩的地方。

堕落的、败德的、腐化的贬义

The novel portrays the degenerate lifestyle of the idle rich.

这本小说描写了有钱闲人堕落的生活方式。

退化的、衰退的

Scans revealed degenerate tissue around the injured joint.

扫描显示受伤关节周围有退化的组织。

堕落者、败类贬义

The old man called the gamblers next door a bunch of degenerates.

那位老先生骂隔壁那群赌徒是一群败类。