If someone, especially an official, investigates an event, situation, or claim, they try to find out what happened or what is the truth.
例句
Gas officials are investigating the cause of an explosion which badly damaged a house in Hampshire...煤氣系統的官員正在調查一起瓦斯爆炸的起因,這起事故嚴重毀壞了漢普郡的一所房屋。The two officers were being investigated by the director of public prosecutions...兩名警官正在接受檢察官的審查。
英英詞典釋義
Noun
1. the work of inquiring into something thoroughly and systematically