質的英語翻譯：

character; matter; nature; pawn; pledge; quality; question; simple
【醫(yī)】 mass; massa; quality; substance; substantia
【經】 guilder

心的英語翻譯：

heart; centre; feeling; intention; mind
【醫(yī)】 cardia-; cardio-; cor; heart

系的英語翻譯：

attach; fasten; tie; corollary; series; system; department; feel anxious
relate to
【計】 Coset
【醫(yī)】 series; system; systema
【經】 ratio control