She gave me a meaningful look.

　　她意味深長(zhǎng)地看了我一眼。

　　A sentence can be divided up into meaningful segments.

　　一個(gè)句子可以劃分成有意義的各個(gè)部分。

　　He lives the most meaningful life.

　　他活得最有意義。

　　The man feel meaningful about his trip.

　　這個(gè)人覺得這趟旅行很有意義。