Chat GPT说法，看里面。。。。。。。。。。。。。。。。。。。。。

小三 (xiǎo sān) - third party (mistress)

出轨 (chū guǐ) - to have an affair

绿帽子 (lǜ mào zi) - green hat (Chinese slang for a man who has been cheated on by his partner)

二奶 (èr nǎi) - second wife (Chinese slang for a mistress)

So, the English equivalents would be:

• Third party (mistress)
• To have an affair
• Green hat (slang for a man who has been cheated on)
• Second wife (slang for a mistress)