N5
たいへん
Definition
very, greatly, immense, enormous, great, serious, grave, dreadful, terrible, difficult, hard, major incident, disaster
N4
ひつよう
Definition
necessary, needed, essential, indispensable, necessity, need, requirement
N3
たに
Definition
valley
N2
たとえる
Definition
to compare, to liken, to speak figuratively, to illustrate, to use a simile
N1
こうさく
Definition
cultivation, farming