Kim Jong Un is right to assume he can get away with firing missiles in the face of U.S. sanctions. But with Xi Jinping’s big moment at the Beijing Olympics fast approaching, North Korea’s cavalcade of weapons tests risk pushing ally China over the edge.

It’s only two weeks into 2022, but North Korea has already conducted four missile tests after just eight tests in all of 2021. Washington has responded with cookie-cutter condemnations and new unilateral sanctions, whereas Beijing has so far just grumbled about how these designations won’t solve anything.