red-handed

形容词 red-handed:

1. in the act of committing a crime or other reprehensible act

副词 red-handed:

1. doing something reprehensible or showing clear evidence of having done something reprehensible

red-hand.ed

adv.（副词）
adj.（形容词）
In the act of committing something wrong.
正在作案地（的）

【引伸】
red.-hand.edly
adv.（副词）