I'm afraid of discord arising with my husband so I'm turning a blind eye to his mistress.
波風を鎮めるにはチーズケーキのお土産が良いらしいですよ。
A gift of cheesecake is apparently good to soothe discord.
教科書問題や歴史認識、靖国神社への首相の参拝などで、日中関係に波風が立っている。
Such things as the textbook controversy, lack of recognition of historical events, and the prime minister's worshipping at the Yasukuni Shrine have caused discord with China.
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.