1. Notice 通知，看見，注意，觀察 - 通知（名詞）：The company issued a notice to all employees about the upcoming changes. - 看見：I noticed a new coffee shop on my way to work. - 注意：Please notice the safety signs around the office. - 觀察：Scientists noticed a decrease in biodiversity in the area.2. See 看見，理解，參觀，遭遇 - 看見：I saw the stars last night. - 理解：Let me see if I can explain it differently. - 參觀：We plan to see the historical sites on our trip. - 遭遇：He has seen many difficult situations in his life.3. Watch 看，觀看，小心，等待 - 看：She watched the children playing in the park. - 觀看：We watched a movie last night. - 小心：Please watch your step on the stairs. - 等待：I'll wait and see if the store has the item in stock.4. Observe 觀察，遵守，說，慶祝 - 觀察：Researchers observed the behavior of the animals in their natural habitat. - 遵守：It is important to observe traffic regulations. - 說：He observed that the quality of the product had improved. - 慶祝：Some cultures observe strict fasting rituals for religious reasons.