天气tiānqì 1.一定区域一定时间内大气中发生的各种气象变化,如温度、湿度、气压、降水、风、云等的情况{weather; meteorological changes in the atmosphere over a given area at a given time, such as temperature, humidity, atmospheric pressure, precipitation, wind, cloud, etc.}: ～预报{weather report; weather forecast}|今天～很好。{It's a fine day today.} 2.〈方dial.〉指时间;时候{time}: 现在是三更～{It's midnight now.}|～不早了,快回家吧!{It's getting late. Let's go home.}