indecency

1. N-UNCOUNT If you talk about the indecency of something or someone, you are indicating that you find them morally or sexually offensive. 下流

...the indecency of their language. …他們言語(yǔ)的下流。

2. N-COUNT In law, an indecency is an illegal sexual act. 猥褻

...sexual indecencies. …性猥褻。