If you say that someone interferes in a situation, you mean they get involved in it although it does not concern them and their involvement is not wanted. 干涉
verb [vt. 及物动词] 干涉，干扰；阻碍，妨害；（未经允许）摆弄，（尤指）弄坏；（光或其他电磁波）相互作用，相互干扰；（指马）碰踝，绊脚
Something that interferes with a situation, activity, or process has a damaging effect on it. 妨碍• Smoking and drinking interfere with your body's ability to process oxygen.
