这个酱汁又浓又香，别费劲节食了。

The sauce is thick and rich so don't bother trying to diet.

youdao

别费劲了，我没有办法接受你这个提议。

Don't even bother. There is no way that I agree with the proposal.

youdao

别费劲去追赶那辆公共汽车了，你怎么也赶不上的。

Don't bother running after the bus, you'll never catch it.

youdao

别费劲去追那辆公共汽车了——你怎么也追不上的。

Don't bother running after the bus-you'll never catch it.

youdao

让他在家呆着，告诉他别费劲了，因为你已经把你家门口的雪铲到他家车道上，堵在他的车后面了。

Keep him home ... tell him that there is no point in going out because you have shovelled all of your snow into his driveway right behind his car.

youdao

对于Jack说来轮胎瘪了显然不是大问题，因为他有汽车电话，而且车箱里还放着一套工具。所以他要Jill别担心，换个轮胎一点儿都不费劲儿。他只要取出车后面的千斤顶和铁扳手，没一会儿工夫就会把轮胎换好，让Jill开车上路。 这里的nosweat显然表示这是轻而易举、不费吹灰之力的事儿。

1：Don’t worry about the flat tire. No sweat! I have a car phone and a set of tools in back. Just let me get my jack and tire iron, and I’ll change the tire and have you back on the road in no time!

youdao

对于Jack说来轮胎瘪了显然不是大问题，因为他有汽车电话，而且车箱里还放着一套工具。所以他要Jill别担心，换个轮胎一点儿都不费劲儿。他只要取出车后面的千斤顶和铁扳手，没一会儿工夫就会把轮胎换好，让Jill开车上路。 这里的nosweat显然表示这是轻而易举、不费吹灰之力的事儿。

1：Don’t worry about the flat tire. No sweat! I have a car phone and a set of tools in back. Just let me get my jack and tire iron, and I’ll change the tire and have you back on the road in no time!

youdao