bàn​jiǎo​shí

person

绊脚石 (絆腳石) bàn​jiǎo​shí
person noun
an individual who stands in the way or obstructs someone's advancement or goals

I don't want to be a stumbling block to your pursuit of your dreams.

stumbling block noun
a figurative or literal obstacle that hinders progress or development

These outdated ideas have become a stumbling block to reform.

Frequency

Movie subtitles
1.49 per million appears in 1% of films
Written text
1.13 per million

Sources

Definitions
CC-CEDICT