save a lot of trouble meaning in English

省掉不少麻烦
省了不少事

I might otherwise have forgotten thr things . owing to his reminding , i saved a lot of trouble
我本来可能忘了那事，多亏他的提醒，这样省了我好多麻烦。
If i had given tongue to my doubts about the plan , we might all have been saved a lot of trouble
对这个计划我心存疑窦，如果我早讲出来，我们就可省掉好多麻烦了。
Therefore , some beings have to sacrifice themselves . they come to this world to teach humans to change their way of thinking , and to communicate with their life - saving power . then people can save themselves , and save a lot of trouble for the heavenly beings
所以有一些人应该牺牲，跑下来这个世界教他们从这里开始整理，开始改变自己的思想，开始跟自己求生救命的能力沟通，然后自己救自己，这样子能免很多上面的工作。