到法庭不是警察问你，而是法官问你。

在法庭上，如果法官问你话，你要么如实回答，要么选择第五修正案沉默不给自己做反证。

You honor, relying on my rights under the Fifth Amendment to the United States Constitution, I respectfully refuse to answer on the ground that the answer may tend to incriminate me.