spare no pains

汉语翻译

不遗余力, 全力以赴

例句

The hotel staff spared no pains to ensure that our stay was as enjoyable as possible.旅馆工作人员对我们照顾得无微不至，尽量让我们住得舒适，He spares no pains to study English.他不辞劳苦地学习英语。