sudden
英 ['s?d(?)n]
美['s?dn]
- adj. 突然的，意外的；快速的
- n. 突然发生的事
词组搭配
(all) of a sudden
suddenly
突然地
I feel really tired all of a sudden.
我突然间感到真的很累。
on a sudden
archaic way of saying all of a sudden
(古)。 同 all of a sudden
all of a sudden
Very quickly and unexpectedly; suddenly.
突然地：非常迅速地和突然地；出乎意料地