We failed to obtain any meaningful results from these experiments.我们没有通过这些实验获得任何有价值的结果。

The talks will be the start of a constructive and meaningful dialogue.这些会谈将成为有建设性且有意义的对话的开端。

He wanted a more meaningful relationship with her.他希望他和她之间能有更加认真的关系。

Kitty gave a meaningful glance in her direction.姬蒂意味深长地朝她那边看了一眼。

He gave me a sly, meaningful look.他诡秘地看了我一眼, 似乎别有深意。