他们告诉我，我在18岁以后是明智和成熟的，我相信他们的话。

They told me I was wise and mature beyond my 18 years, and I believed them.

youdao

白色象征纯洁、洁净和成熟。

White symbolizes purity, cleanliness, and sophistication.

youdao

变老和成熟是有巨大区别的。

Third, there is a huge difference between growing old and growing up.

youdao

But they were fully formed adults and intellectuals, and that was a heady experience for a kid from Chicago.

但他们是很成熟的成人和知识分子，而这对一个来自芝加哥的小孩来说很不同。

普林斯顿公开课 - 人性课程节选

We hear in the 1637 Lycidas those same cries of unripeness and under-preparation that we had heard in the 1631 sonnet, "How soon hath Time, the subtle thief of youth."

我们在1637年的里听到过,与1631年的十四行诗相同的不成熟和未完成的呼喊，“时光如此飞快，如同偷走青春的窃贼“

耶鲁公开课 - 弥尔顿课程节选

Resolution and closure, then, is mature object choice and in a certain sense there, too, it's a push forward, but we don't quite know toward what.

决心和结果才是,成熟的选择，它带着生命向前进，但我们不知道会去哪。

耶鲁公开课 - 文学理论导论课程节选