How to say "Be" in Japanese

When translating "be" into Japanese, you must choose carefully between 担当する and 退屈する. In Japanese, 担当する (たんとうする (tantō suru)) is typically associated with "to be in charge of; to take responsibility for; to be responsible for" (Syllabus Level: N3) and represents Often used in business or formal settings to indicate being responsible for a specific role, task, or department. It implies taking on a duty or charge.. On the other hand, 退屈する (たいくつする (taikutsu suru)) maps to "to be bored" (Syllabus Level: N3) and represents 動詞。興味がなく、時間を持て余す様子を表す。e.g., 授業に退屈する. A literal translation of "be" can often sound unnatural to native Japanese speakers if mixed up!