She had been inexcusably careless.

她曾粗心大意得不可原谅。

The defending has been inexcusably bad at times.

防守有时候真是让人看不懂了。

That was inexcusably stupid, and will set back your plans quite a bit.

那是无法原谅地愚蠢，而且将相当向后地设定你的计划一点点。

For the fact is that the plan on offer is a stinker - and inexcusably so.

而事实上正在推销的方案也是个臭鬼——无可争辩地如此。

Initially deemed a failure, the new design has since won over those who regard consistency as inexcusably boring.

这项新设计最初曾被认为是一项失败之举，最终却赢得了那些曾认为这是无聊之举的公众的一致认可。