Correct or improve the translation of the following English sentences.原文：I tried vainly to put the pieces together. 译文：我试图徒劳地把这些碎片拼在一起。改译：

Correct or improve the translation of the following English sentences.原文：I tried vainly to put the pieces together. 译文：我试图徒劳地把这些碎片拼在一起。改译：

我试图把这些碎片拼在一起，可是没成功。