Dictionary / Vocabulary / 波風を立てる
なみかぜをたてる
to make trouble; to make waves; to cause discord
いらぬ告げ口をして彼らの結婚生活に波風を立てることはない。
There's no need to tell on him and mess up their marriage.
おじはいつも家族に波風を立てるようなことをする。
My uncle constantly causes his family trouble.