名詞 second best:

1. the competitor who finishes second
   同義詞：runner-up

形容詞 second best:

1. next to the best
   同義詞：second-best

副詞 second best:

1. in second place
   同義詞：second-best

1. My brother chose the best and I had to take the second best.
   我弟弟選了那最好的，我不得不拿個次的。
2. I'd place him second best.
   我把他排在第二位
3. Mark couldn't afford the best bicycle, so he bought a second best.
   馬克買不起最好的自行車，所以他買了個二等品。