spare no efforts in doing everythings 是什麽意思?

spare no efforts in doing everythings 是什麽意思? Spare No Efforts in Doing Things Concentration and persevera spare no efforts什么意思 spare no efforts spare no efforts in dong 与to do区别 spare no effort 和 spare no efforts的区别 spare no efforts用单数还是复数? when all these efforts ended in failure i will spare no effo i fell i must spare no efforts to do my bit意思 不遗余力不做某事是spare no efforts not to People should spare no efforts to protect the environment. I feel I must spare no efforts to do my