I was alarmed because it's illegal to cross the motorway and if I followed his instructions I would be heading the wrong way.

我很震惊，因为穿过高速公路是非法的，而且如果我听了他的指示我将走到错误的路上。

youdao

PILOTS flying into Greece have reported hearing music instead of instructions from air traffic controllers owing to interference apparently caused by illegal broadcast antennae.

一名飞入希腊的飞行员报告说从管制员那听到了不是指令而是音乐，这是由非法的广播天线的干扰而引起的。

youdao

The court overturned the conviction on the narrow grounds that the federal judge's instructions to the jury were too vague and failed to demand that jurors conclude Andersen knew its actions were illegal.

ECONOMIST: Arthur Andersen