far cry from (something) means very different from (something), e.g. Thinking you can do it is a far cry from actually doing it. - dalekie od oczekiwań

at one's fingertips means instantly available, e.g With the new database, we have all the datails at our fingertips. - w zasięgu ręki, bardzo blisko; mieć coś w małym paluszku

be far and away the (best, worst, most beautiful etc.) means to be much better/worse/more beautiful etc., e.g. This is far and away the best ice-cream I've ever had. - być o wiele lepszym/gorszym/piękniejszym

far and near means everywhere, e.g. Young people came from far and near to see the concert. - z daleka i z bliska; wszędzie

you say it's all the same to me when it doesn't matter to you what happens, e.g. She asked if I wanted to go to the movies or stay at home but it was all the same to me.
- wszystko mi jedno

next to nothing means very little, e.g. I know next to nothing about cooking. - prawie nic

be at a loss means perplexed, not knowing what to say or do, e.g. When he told me about last Saturday, I was at a complete loss to know what to do.
- zagubić się (w znaczeniu, nie wiedzieć co zrobić)