Vocabulary
必携
ひっけい
indispensable; essential; must-have
adj-no
n-suf
freq #43
Example sentences
TOEICの学習（がくしゅう）に限（かぎ）らず、英語（えいご）を学（まな）ぶのであれば英和辞典（えいわじてん）は必携（ひっけい）の書（しょ）の一（ひと）つでしょう。
An English-Japanese dictionary is surely a must have book, not just for those taking TOEIC, but for all studying English.