The letter had gone astray.信寄丢了。

That's a sure sign that something's gone astray.那个迹象明确表明有什么事出岔子了。

Don't worry, I won't lead you astray.不要担心, 我不会让你做傻事的。

He was led astray by an older woman.他被一位比他年长的女子带坏了。

The testimony would inflame the jurors, and lead them astray from the facts of the case.该证言会激怒陪审团, 使他们偏离案件的真相。