Correct
垫脚石
/ diànjiǎoshí /
Strokes
Definition
stepping stone/fig. person used to advance one's career
Example
As a Noun
stepping stone
1
Yī
一
kuài
块
diànjiǎoshí
垫脚石
a stepping stone
As a Noun
person or thing used as a means for fame and position
2
Gānyuàn
甘愿
dāng
当
diànjiǎoshí
垫脚石
be willing to be a stepping stone