"two of a kind" in Chinese (Simplified)
一对（非常相像的人或物）
Definition
用来形容两个人或事物在外貌、行为或兴趣上非常相似。
Usage Notes (Chinese (Simplified))
口语表达，多用于形容朋友、兄弟姐妹或情侣之间的相似，有积极或消极含义。不是用来指完全一样的事物。
Examples
You and your brother are two of a kind.
你和你哥哥真是**一对**。
Those dogs are two of a kind; they always play together.
那些狗真是**一对**，总在一起玩。
Lisa and Maria are two of a kind; they love the same music.
丽莎和玛丽亚真是**一对**，她们喜欢同样的音乐。
When it comes to causing trouble, those two are two of a kind.
说到惹麻烦，这俩真是**一对**。
They finish each other's sentences—they're two of a kind.
他们能把对方的话说完，真是**一对**。
My best friend and I are two of a kind—always thinking alike.
我和我最好的朋友真是**一对**，总能想到一块去。