1.ascend to 追溯；升至

例句：His ancestors ascend to the 15th century.
他的祖先可上溯到十五世纪。

2.come alive 变得活跃

例句：Skillful lighting made the scene come alive.
巧妙的灯光使布景显得像真的一样。
3.but for 要不是；如果没有

例句：But for your advice, I should have failed.
要不是你的忠告，我会失败的。

4.appeal to 呼吁；上诉；对...有吸引力

例句：He made one last appeal to his father to forgive him.
他最后一次恳求父亲宽恕他。