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。