OK: agreement; consent

OK: OK; all right; fine

OK: OK

a watch (portable or wearable timepiece) / a watchman, observer / a watch (person who guards, sailors or officers with common period of duty, etc.)

to observe, keep watch

The katakana syllable 𛄢 (wu). Its equivalent in hiragana is 𛄟 (wu).

Oxnard (a city in California, United States)

engagement, a promise to marry

考え: thought, opinion

図鑑: An illustrated reference book, such as a field guide, bestiary, guide book, or picture book