Correct

一蹴而就

/ yī cù ér jiù / 
Strokes

Definition

to get there in one step (idiom); easily done/success at a stroke/to get results overnight

Example

Definition

succeed at the first try; accomplish one's aim in one move; reach the goal in one step

1
Zhèxiē
这些
wèntí
问题
de
的
jiějué
解决
bù
不
kěnéng
可能
yīcùérjiù
一蹴而就
  
。

These problems can't be solved overnight.