请认真思考你是如何回答这个的，因为你的免费的礼物要视情况而定。

Please think carefully about how you answer this because your free gift is at stake.**

这部小说需要认真思考才能完全理解。

The novel requires some serious cerebration to fully understand.

在做事情之前不认真思考。

The trait of not thinking carefully before acting.

她认真思考了一会儿。

She was thoughtful for a while.

因此，需要认真思考和研究。

Hence, careful consideration and research is needed.

青少年犯罪急待我们的认真思考.

The issue of juvenile delinquency is pressing for our serious consideration.

认真思考。

To think in a serious manner.

如果你认真思考，我确信你可以辨别谎言。

If you think clearly I am sure you can identify the lies.

认真的谈话有助于我们所有人从专业和个人角度认真思考这个问题。

That serious talk helps all of us both professionally and personally to think seriously about this issue.

我其实没有花时间去认真思考他们的痛苦。

I did not take the time to really think about the depth of their pain.