sudden的意思是“突然的,忽然的,迅速而意外的”,指事先沒有預(yù)料到事情會(huì)發(fā)生,所以當(dāng)事情發(fā)生時(shí)使人感到很意外。
all of a sudden的意思是“突然地,出乎意料地”,常用于口語(yǔ)中。也常用on a sudden,意思與all of a sudden相同,但不如all of a sudden正式或常見。
例句
"I think I'll try a hypnotist,"I said with sudden resolution.
“我會(huì)找催眠師試試,”我突然堅(jiān)決地說。
He felt a sudden sense of calm,of contentment.
他突然感到一種安寧和滿足。
The sudden onset of winter caused havoc with rail and air transport.
冬天的突然降臨讓鐵路和航空運(yùn)輸系統(tǒng)陷入混亂。