плохо влияет

has a bad effect on

→ плохо
phrase Rare #33,251
has a bad effect on Used with на + the accusative case to say that someone or something negatively affects someone or something.
RU: Недостаток сна плохо влияет на настроение.
EN: Lack of sleep has a bad effect on your mood.

Она на него плохо влияет.

She has a bad influence on him.

— Парень из гетто (2019)

Парни, затмение на вас плохо влияет.

Guys, the eclipse is having a bad effect on you.

— Идеальные незнакомцы (2016)

Он на вас плохо влияет.

He’s a bad influence on you.

Она на тебя плохо влияет.

She has a bad influence on you.