bank/banker/bankrupt/ban/abandon
记忆：
1. b, 音“不”， an, 一个；ban 一个都不 n. 禁止，禁令 There is a ban on drinking under the age of 18. 有条禁令不许十八岁以下的人喝酒。
2. k, 音“开”， bank 禁止开裂，水不能流走， n. 河岸；钱不流失， n. 银行 A new bank has been opened by the bank of the river. 在河岸边一家新的银行开业了。
3. 加名词后缀-er, banker n.银行家 Bankers play an import part in the national finance. 银行家在国家金融方面起着重要作用。
4. a, 一；ban, 禁止；do， 做；on, 继续；abandon一件禁止做下去的事，只好放弃。 When can you abandon smoking?你何时能戒烟？
5. rupt, 表示“破坏”， bankrupt n. 破产 Bankrupt law is carried out to protect the national economy. 实施破产法，保护国民经济。
另类阅读：
A banker jumped into the river from the bank because of the complete bankrupt.

轻松一刻：
A baby was crying all the night. The mother was afraid that it might disturb the neighbour, so she began to sing Cradle Song.
After a while, the baby's cry was dying down, however, there came the neighbour's shouting, "Stopping singing! I prefer to hear the baby's crying!"