TRY TO DO OR GET somethingto try a little harder in order to achieve something, after you have already used a lot of effort 再加把劲〔以完成某事〕
The president expressed his determination to go the extra mile for peace.
总统表达了要为和平再接再厉的决心。
Examples from the Corpus
go the extra mile• And it diminishes the employees' desire to go the extra mile when supervisors need them to.• The President vowed to go the extra mile for peace in the region.• All this when her only motivation was to go the extra mile under all circumstances.