meaning的形容詞形式是什么

　　She gave me a meaningful look.

　　她意味深長地看了我一眼。

　　A sentence can be divided up into meaningful segments.

　　一個句子可以劃分成有意義的各個部分。

　　He lives the most meaningful life.

　　他活得最有意義。

　　The man feel meaningful about his trip.

　　這個人覺得這趟旅行很有意義。