not to lag behind

常见例句

Elderly parents have the energy and ability to control child's life to learn not to bad did not lag behind it?
年迈的父母有那个精力和能力管好孩子的衣食住行好好学习不掉队不学坏吗？
Perhaps personality dictates, her heart Victory particularly strong, not willing to lag behind others, treat their own requirements too stringent.
也许是性格使然，她的好胜心特别强，不愿意落后于人，对待自己要求太过严格。
This is a trend, who does not do to be able to lag behind .
这是一个趋势，谁不去做谁就会落后。

Once again it appears that women are penalized in ways that men are not for making the choice to have children and that their salaries continue to lag behind those of men.
FORBES: Are Kids a Career Kiss of Death?
But while a focus on reading tends to highlight the relative under-performance of boys, they do not lag behind in every respect.
ECONOMIST: Education
This does not please personal-injury lawyers, who argue that fixed costs are likely to lag behind the pace of legal inflation (that is precisely the point, of course).
ECONOMIST: Why the price of justice is going up