Grace is spiritual WD-40, or water wings.

优雅是精神 WD-40，或水翼。

And your bold lack of water wings.

而且你不带游泳圈就下水真大胆。

And they wear those little water wings, you know, and they're running around on the deck.

他们戴着那些小小的水翼，你知道，他们在甲板上跑来跑去。