make an effort to do是什么意思,in an effort to do sth什么意思

make an effort to do sth 努力,为一般用语

make every effort to do sth 尽一切努力

eg:I will make every effort (ie:do all I can) to arrive on time.我将尽一切努力准时到达.

spare no effort to do 不遗余力

有spare no effort doing sth 这种说法

学英语最好是有本实用的字典,建议你买本牛津高阶英汉双解词典