meaning的形容词形式是什么

　　She gave me a meaningful look.

　　她意味深长地看了我一眼。

　　A sentence can be divided up into meaningful segments.

　　一个句子可以划分成有意义的各个部分。

　　He lives the most meaningful life.

　　他活得最有意义。

　　The man feel meaningful about his trip.

　　这个人觉得这趟旅行很有意义。