short for transgender : used to describe a person whose gender does not match the body they were born with

a trans woman/man 跨性别女子／男子

I want to offer support to anyone who's going through a hard time because they're trans.

across

a transatlantic flight 横越大西洋的飞行

the trans-Alaskan pipeline 横贯阿拉斯加的输油管道

changing or having changed from one thing to another

Kate has transformed (= completely changed the appearance of) that house since she moved in. 自从凯特搬进去以后，她彻底改造了那幢房子。

I accidently transposed two letters (= put each one in the other letter's place) when I typed my password. 当我在输入密码时，不小心把两个字母错了位。