have a bad effect

have a bad effect (on someone or something)

to be bad for someone or something. Aspirin has a bad effect on me. Cold weather has a bad effect on roses.

Name	Pronounced	Usage
Ken'ichi	ken-ee-chee	Japanese
Arkhip	-	Russian
Ashmore	['æʃmɔ:]
Garnett	['ga:nit]
Luksa	LOOK-sah	Esperanto
Mahon	-	Irish