必携

ひっけい

Common word

noun

handbook, manual, vade mecum

noun, no-adjective

essential item, must-have

必	invariably, certain, inevitable
携	portable, carry (in hand), armed with, bring along

がくしゅう

かぎ

、

えいご

まな

えいわじてん

ひっけい

しょ

ひと

An English-Japanese dictionary is surely a must have book, not just for those taking TOEIC, but for all studying English