A miler is a person, or sometimes a horse, who races over one mile. On the track, the mile is a famous distance — a little more than 1,600 metres — and a miler is the specialist who trains for that race.

A milerMiler is是 who races over one mile跑一英里比賽的 a person人 or sometimes a horse，有時候也指馬 On the track在田徑場上 the mile一英里 is a famous distance是知名的距離 a little more than 1,600 metres比1,600公尺多一點 and a miler而 miler is是 who trains for that race專門為那項比賽訓練 the specialist的選手

People say a four-minute miler for someone fast enough to run a mile in four minutes, a famous time in sport.

People say人們會說 a four-minute milera four-minute miler for someone fast enough to run a mile in four minutes指跑一英里能跑進四分鐘的人 a famous time in sport這是運動史上知名的時間

The word is informal sports English: you hear it at the track or in the newspaper, not in a science book. It does not mean anyone who can walk a mile; it means a racer for that distance.

The word這個字 is informal sports English是非正式的運動英語 you hear it at the track or in the newspaper你會在田徑場或報紙上聽到 not in a science book不會出現在科學書裡 It does not mean它不是指 anyone who can walk a mile任何能走一英里的人 it means它指的是 a racer for that distance這個距離的賽跑選手

Though actually, newspapers still love the mile even in countries that run 1,500 metres at the Olympics, so miler has stayed in English.

Though actually不過實際上 even in countries that run 1,500 metres at the Olympics就算在奧運跑1,500公尺的國家 newspapers still love the mile報紙仍然愛用「一英里」 so miler has stayed in English所以 miler 這個字留在了英語裡