Definition
to be mindful of what is occurring and exercise caution
注意；注意安全
You should always look out for your surroundings when crossing the street.
過馬路時，你應該隨時注意周圍的環境。
We must look out for any suspicious activities when entering unfamiliar areas.
進入陌生區域時，我們必須注意任何可疑活動。
Look out for falling rocks while climbing.
爬山時要注意落石。
- B1
used to alert someone that they are at risk or in danger
（用於提醒某人有危險）注意安全；當心
Look out! A car is coming towards us quickly from behind!
小心！有輛車正從後面快速向我們駛來！
When she entered the party happening tonight, her friends told her to look out.
當她進入今晚的派對時，她的朋友們告訴她要小心。
At the beach, parents should always remind their children to look out for the changing waves.
在海灘上，父母應該總是提醒孩子們注意變化的海浪。