How to say "Be" in Japanese

When translating "be" into Japanese, you must choose carefully between がっかりする and 案じる. In Japanese, がっかりする (がっかりする (gakkari suru)) is typically associated with "to be disappointed, to feel let down" (Syllabus Level: N4) and represents An onomatopoeic verb describing the feeling of disappointment or sadness when expectations are not met. Often used with a particle like に. On the other hand, 案じる (あんじる (anjiru)) maps to "to be anxious, to worry about, to be concerned about" (Syllabus Level: N3) and represents Often used for deeper, more significant worries, or when considering a plan carefully. 辞書形は「案じる」ですが、通常「〜を案じている」や「〜を案じること」のように使われます。. A literal translation of "be" can often sound unnatural to native Japanese speakers if mixed up!