以l结尾的形容词变副词双写

　　The new teacher really brought French to life for us.

　　新来的老师给我们把法语教得生动活泼。

　　It was really kind of you to help me.

　　你帮我的忙，我太感激了。

　　Secondly, the feature matching of image is explored helpfully.

　　然后，在图像特征匹配方面做了有益的探索。

　　We'll plan everything very carefully and leave nothing to chance.

　　我们将非常周密地筹划一切，决不留任何纰漏。

　　We compared the two reports carefully.

　　我们仔细地比较了两个报告。