I spare no expense to collect the paintings by Picasso.

我为收集毕加索的画不惜代价。

We are shocked when we think of death, and we spare no pains, no trouble, and no expense to preserve life.

我们想到死便惊恐不已，因而不惜一切努力、麻烦和费用来保全我们的生命。

We are shocked when we think of death, and we spare no pains, no trouble and no expense to preserve life.

当我们想到死亡就惊恐万分，我们会不遗余力，不惜一切代价的去保留生命。