・You can get away with that only among friends. それで済ませてもらえるのは友だちの間だけだよ.

2a 〈ある数・仲間〉の中に, …の一つで (one or more of).

・She was among the prize winners. 受賞者の一人だった.

・They were among the prize winners. 彼らは受賞者になった.

・He is among the best skiers. 最も優れたスキーヤーの一人だ.

・That was among the things they said to me. それは彼らが私に向かって言ったことの一つだ.

b 〈同じ種類〉の中で抜きん出て.

・He is just [only] one among (＝out of) many [a thousand]. 彼は多数[千人]に一人の(傑出した)人間だ; 多数の中の一人でしかない.

・He is a writer [man] among writers [men]. 作家[男]の中の作家[男]だ.

c 〈数〉の中から.