What a pleasant surprise!

　　這真是一樁令人又驚又喜的事！

　　I spent a pleasant evening chez the Stewarts.

　　我在斯圖爾特家度過了一個愉快的夜晚。

　　Knowledge of French is a plus in her job.

　　通曉法文使她在工作中占優勢。

　　Please file it in my 'Research' file.

　　請把它歸入我的研究類檔案。

　　You are free to come and go as you please.

　　你來去自由。