“适契”的读音是 shì qì。In Chinese, “适” is pronounced as “shì” and it can mean suitable or proper. “契” is pronounced as “qì” and it can refer to agreement or contract. When combined, “适契” might imply being in harmony or having a proper agreement. For example, “Their interests are perfectly适契.” could mean “Their interests are perfectly in harmony.” The pronunciation is important to ensure correct understanding and communication of Chinese words.