English-based Mandarin loanwords are commonly used in Chinese people’s daily lives. Mandarin Loanwords demonstrates how English phonemes map into Mandarin phonemes through Mandarin loanwords adaptation. The consonantal adaptations are the most important in the analyses, and vowel adaptation and tonal adaptation is also considered.

Through the analysis, it is proven that the functions of phonology and phonetics play a significant role in Mandarin loanword adaptation, however the functions of other factors, such as semantic functions of Chinese characters and English orthography, are also discussed. Additionally, the phonetic symbolization of Chinese characters is mentioned.