How to say "Be" in Japanese

When translating "be" into Japanese, you must choose carefully between 喜ぶ and 重なる. In Japanese, 喜ぶ (よろこぶ (yorokobu)) is typically associated with "to be delighted, to be pleased, to rejoice" (Syllabus Level: N4) and represents Expresses joy or happiness. Often used when receiving something good, hearing good news, or when something positive happens.. On the other hand, 重なる (かさなる (kasanaru)) maps to "to be piled up, to overlap, to occur at the same time (intransitive)" (Syllabus Level: N3) and represents Intransitive verb. Can describe physical objects being stacked or layered, or events occurring simultaneously. The transitive form is 重ねる. A literal translation of "be" can often sound unnatural to native Japanese speakers if mixed up!