Correct

说开

/ shuō kāi /
Strokes

Example

As a Verb

make clear; explain clearly

1
huà
shuō
kāi

make sth clear; explain the reasons to sb

As a Verb

(of a word) become popular; come into popular use

2
Zhège
这个
cír  
词儿
zài
niánqīngrén
年轻人
zhōngjiān
中间
jīng
已经
shuō
kāi
le
  

This word is now a vogue one among the youngsters.