1. But the possibility that his actions were fuelled by racism has not been ruled out.
rule out 排除
They didn't rule out coalition with the Social Democrats.
他們不排除與社會民主黨人結盟的可能性
。2. Even as a semblance of post-pandemic normality appears on the horizon, fear continues to grip America’s Asian communities.
on the horizon 已露端倪的;即將發生的
There's trouble looming on the horizon.
可能快要出事了
。