take pains （相等于 tries very hard ) 努力,有耐心地spare no pains （也有 spare no effort 的说法）不遗余力,尽力去做,无保留地做某事例句：The waiter took pains to explain that breakfast is served only un... take pains （相等于 tries very hard ) 努力,有耐心地spare no pains （也有 spare no effort 的说法）不遗余力,尽力去做,无保留地做某事例句：The waiter took pains to explain that breakfast is served only un...