The Student Union is going to hold a party on Saturday evening.

　　學(xué)生會(huì )計劃在星期六晚上舉辦晚會(huì )。

　　I often write home on Saturday evening.

　　星期六晚上我常常寫(xiě)家信。

　　You're right. we've decided to hold it on Saturday evening.

　　對，我們已決定于周六晚舉行。

　　I will have a date with a beauty on Saturday evening!

　　星期六晚上，我和一美女約會(huì )！

　　I'd like to book two seats for Swan Lake on Saturday evening.

　　我想買(mǎi)兩張星期六晚上《天鵝湖》的票了。