Correct
突变
/ tūbiàn /
Strokes
Definition
sudden change/mutation
Example
As a Verb
suddenly change; change all of a sudden
1
Zhèngcè
政策
tūbiàn
突变
sudden shift in policy
2
Xíngshì
形势
tūbiàn
突变
unexpected change of the situation; unexpected turn of events
3
Shénsè
神色
/
tiānqì
天气
tūbiàn
突变
sudden change of the look/weather
As a Verb
leap
As a Verb
mutate
As a Noun
mutation