ring the bell

例句：

1. The postman rang the bell because he had a parcel/package to deliver.
   郵遞員按門鈴叫門投遞包裹。
2. Poverty is an anomaly to rich people; it is very difficult to make out why people who want dinner do not ring the bell.
   對有錢人來說，貧窮是不合情理的事情; 他們可真無法理解：既然想吃飯了，為什麼不把鈴打響？
3. She pretended (that) she was not at home when we rang the bell.
   我們按門鈴時，她假裝不在家。
4. Ring the bell in an emergency.
   情況緊急時請按鈴。