☊A 一定 + 一定+ * * yi1ding4 
fixed/ definite/ given/ necessarily 
gewiß,sicherlich + + + ☊B 日用品 + 日用品+ * * ri4yong4pin3 daily necessaries Artikel des täglichen Bedarfs + + + ☊B 必要 + 必要+ * * bi4yao4 necessary/ essential/ indispensable notwendig + + + ☊C 未必 + 未必+ * * wei4bi4 not-necessarily/ may not/ perhaps not wahrscheinlich nicht, wohl nicht, kaum + + + ☊C 必 + 必+ * * bi4 certainly/ surely/ definitely/ necessarily 1. sicher, bestimmt, unbedingt 2. müssen + + + ☊C 必需 + 必需+ * * bi4xu1 necessarily need/ be essential wesentlich, unabdingbar + + + ☊C 何必 + 何必+ * * he2bi4 why is it necessary to/ there is no need to wozu denn, warum denn + + + ☊C 多餘 + 多余+ * * duo1yu2 unnecessary/ needless/ uncalled for/ surplus überflüssig, unnötig, ungefragt + + + ☊C 不見得 + 不见得+ * * bu4 jian4de2 not necessarily/ not likely nicht notwendigerweise, nicht wahrscheinlich + + + 
不 不 no, not / un- / negative prefix 見 见 see, observe, behold / percieve 得 得 obtain, get, gain, acquire necessary. a: Being_necessary + 
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필수적 (necessary,indispensable) + + 하필 (Why necessarily? Why of all things?) + + 필연적 (Necessity, necessary) + + 필수 (necessary,indispensable) + + 불필요하다 (To be unnecessary) + + 