How to say "Be" in Japanese

When translating "be" into Japanese, you must choose carefully between 注意する and 整う. In Japanese, 注意する (ちゅういする (chūi suru)) is typically associated with "to be careful; to pay attention; to warn" (Syllabus Level: N4) and represents A versatile verb often used for 'being careful about something'. On the other hand, 整う (ととのう (totonou)) maps to "to be prepared, to be in order, to be arranged (intransitive)" (Syllabus Level: N3) and represents Intransitive verb. Used when things are properly arranged, organized, or prepared. Can also refer to conditions being met. The transitive form is 整える. A literal translation of "be" can often sound unnatural to native Japanese speakers if mixed up!