省事的英文：
save trouble

参考例句：

This approach saves work but may result in omission.
这种方法省事但可能造成遗漏。

English-speaking instant messengers also refuse to burden themselves with punctuation and capitalization
说英语的网上聊天者为了省事还拒绝使用标点符号和大写字母。

"Timid Jia Lan intervened, saying this was none of their business. "
"贾兰是个省事的,忙按住砚,极口劝道:""好兄弟,不与咱们相干."

"I didn't bother to have the car checked, a mistake for which I paid dearly."
当时我为了省事没有检查汽车,这一失误使我付出了沉重的代价。

save是什么意思：
v. 挽救；储蓄；保存；节省；救球；存盘
n. 救球，救援
prep. 除...外

Saving is getting
节约等于收入

Save the macro.
保存这个宏。

Her savings were in the Post Office Savings Bank.
她的钱存在邮政储蓄银行里。

My savings amount to $2001.
我的储蓄共达2000 美元。

A stitch in time save nine.
一针及时省九针。

trouble是什么意思：
n. 烦恼；忧虑；困难；麻烦；打扰；纷争，动乱，骚乱；疾病；不适；故障
v. （使）烦恼；费心；麻烦；（病痛）折磨

Never trouble trouble till trouble trouble you.
麻烦不找你,就别自找麻烦。

you are a trouble maker!
你真是个捣蛋鬼！

This is the trouble with a boyfriend.
这就是有男朋友的麻烦。

She is in trouble.
她怀孕了。

Never (or Don't) trouble trouble till trouble troulbes you
切莫自寻麻烦