管事的英文：
be in charge; effective

参考例句：

The old sexton, leaning on a crutch, was taking the air at his cottage door
那个年老的教堂管事，拄着一根拐杖，正在他的家门口呼吸新鲜空气。

Who is the real manager of the firm(ie the person who effectively runs it)?
谁是这家商行真正管事的经理?

The butler went off with some of the duke's treasured possessions.
那管事席卷公爵的一些珍藏而逃。

"What is it but a grave!" said the sexton
“那不过是一座坟墓罢了，”教堂管事说。

The old sexton soon got better, and was about to work again
年老的教堂管事病势不久好转，又要开始工作了。

The steward ought to keep the rolls and treasures of the gild under the seal of the alderman of the gild.
经过会长的密封盖章之后，行会的卷档和钱财应有管事保管。

"She lived in another hamlet, my dear," returned the sexton
“她住过另外一个村子里，亲爱的，”教堂管事说。

charge是什么意思：
n. 费用；电荷；掌管；控告；命令，指示；指责
v. （使）充电；使承担；指责；装载；索价；向前冲；控告；把...记入帐册

charge the enemy
向敌人冲去

mileage charges
按英里程计算的运费

What is this charge for?
这项费用是什么？

Is there an extra charge?
有额外的费用吗？

The nucleus is formed of neutrons with no charge and protons with a positive charge
核子是由不带电荷的中子和带正电荷的质子形成的。

effective是什么意思：
adj. 有效的；生效的，起作用的；有力的；实际的

This parameter has no effect.
此参数不起作用。

The drug was of no effect.
这药无效。

The helpful effect on propellant slosh effects was a secondary consideration
推进剂晃动的有利性影响是一个次要的考虑因素。

She only dresses like that for the effect it creates/for effect.
她仅仅为了装样子才那样打扮.

The medicine was an effective purge.
这是疗效很好的泻药。