Red-handed and With one's trousers down

Red-handed adjective - In the act of committing a crime or other reprehensible act.

With one's trousers down and red-handed are semantically related. In some cases you can use "With one's trousers down" instead an adjective phrase "Red-handed".

Red-handed and with one's trousers down are semantically related. Sometimes you can replace phrase "Red-handed" with "With one's trousers down", this phrases are similar.