Correct

跨界

/ kuà jiè / 
Strokes

Example

As a Verb

cross over

1
Kuàjiè
跨界
yìshù
艺术
jiā
家

crossover artist

2
Kuàjiè
跨界
gēshǒu
歌手

crossover singer

3
Shíxiàn
实现
chénggōng
成功
kuàjiè
跨界

make a crossover success