Nothing I do makes any difference anyway, so why bother?

我做什么反正都不能改变什么，那何必费劲？

金山词霸

Why bother turning legit and tying the knot?

何必费心走正道、结为夫妻呢？

金山词霸

Why bother your head about such trifles?

你何苦在这些小事上伤脑筋?

《现代汉英综合大词典》

Why bother like this?

何苦乃尔?

《现代汉英综合大词典》

Why bother sending the letter if you're just going to print half of it anyway?

反正只打印一半的信寄出去有什么意义呢？

金山词霸

Saving to buy a rickshaw was just asking to have It'snatched away, why bother?

攒钱,买车,都给别人预备着来抢, 何苦 呢 ?

汉英文学 - 骆驼祥子

Now that there is an ending, why bother persisting so much?

既然结局已定, 又何苦如此执著.

互联网

Why bother keeping all these ornaments? They just gather dust.

为什么要摆设这些装饰 呢 ?它们只会积聚灰尘.

互联网

We cannot do everything, so why bother doing anything?

我们什么也做不了, 那还费那个麻烦劲儿干嘛 呢 ?

互联网

Why bother to write? We'll see him tomorrow.

还写信干什麽? 我们明天就见到他了.

互联网

Why bother with Health & Safety?

为什么要关心安全与健康?

互联网

With such dutiful children, why bother with crabs?

有这么孝顺的孩子, 吃不吃螃蟹又能怎样 呢 ?

互联网

Why bother having land lines?

为什么还要安装电话 呢 ?

互联网

Why bother at all with a travel companion?

为什么要为寻找旅行伙伴而烦恼 呢 ?

互联网

Why bother, you might wonder.

真是丈二和尚摸不着头脑.

互联网