性关系xìngguānxiTop 15000Meanings1. sexual relations2. sexual contact3. intercourseCharacters used性nature关to close系systemExamples1我wǒ和hé男友nányǒu第一次dìyīcì约会yuēhuì就jiù发生fāshēng了le性关系xìngguānxi。My boyfriend and I had sex on the first date.