accidental 
意外的 ☊ → 偶然的 ☊ → ☊ → 
accidental 
บังเอิญ ☊ bangM eernM 
tình cờ bất ngờ like: dental → →
2956
The police accidentally shot and killed a man. They tried to cover up what really happened, but it became a big scandal. ☊ 
Cảnh sát vô tình bắn chết một người đàn ông. Họ cố gắng che đậy chuyện thực tế xảy ra nhưng nó trở thành một vụ lùm xùm lớn. ☊ a verdict of accidental death ☊ accidental ☊
I didn't think our meeting was accidental—he must have known I would be there. ☊ accidental ☊
As I turned around, I accidentally hit him in the face. ☊ accidentally ☊
The damage couldn't have been caused accidentally. ☊ accidentally ☊
I've got a dental appointment at 3 o'clock. ☊ appointment ☊
You will automatically get free dental treatment if you are under 18. ☊ automatically ☊
A lorry shed its load (= accidentally dropped its load) on the motorway. ☊ load ☊
a dental nurse (= one who helps a dentist) ☊ nurse ☊
medical/dental records ☊ record ☊
Information must be stored so that it is secure from accidental deletion. ☊ secure ☊
I'm sorry, I wasn't thinking (= said when you have upset or offended sb accidentally). ☊ think ☊