1.S 地平线 the limit of one's view across the surface of the earth 2.P 范围，界限；眼界 the limit of one's ideas, knowledge, or experience
词汇搭配
动词+～
broad one's ～s开眼界
形容词+～
limited ～s孤陋寡闻 new ～s新的视野 the distant ～遥远的天际
介词+～
above〔below〕 the ～在地平线上〔下〕 beyond sb's ～超越某人的知识范围 on the ～地平线上
句型例句
The setting sun disappeared below the horizon.落日消失在地平线下。 Business is good at the moment, but there are one or two problems on the horizon.目前营业状况很好，但有一两个问题已露端倪。 This series of talks is intended to broaden our horizons.这一系列讲座的目的在于扩展我们的见识。