Correct

突飞猛进

/ tū fēi měngjìn / 
Strokes

Definition

to advance by leaps and bounds

Example

Definition

advance by leaps and bounds; advance with seven-league strides; develop rapidly; make great/rapid strides; make great/remarkable progress

1
Lái
来
zhèryǐ
这儿
hòu  
以后
  
,
tā
她
de
的
yīngyǔ
英语
tūfēiměngjìn
突飞猛进
  
。

Her English has improved enormously since she came.

2
Gāiguó
该国
jīngjì
经济
fāzhǎn
发展
tūfēiměngjìn
突飞猛进
  
。

The nation's economy has developed by leaps and bounds.