embroil 的意思是卷入，牵连。 U.S. national security adviser John Bolton departed on Saturday for a trip to Japan and South Korea, two key allies of Washington that are embroiled in a trade dispute. 美国国家安全顾问博尔顿周六前往日本和韩国访问，这两个美国主要盟友正卷入贸易争端。