a bad penny的用法和样例：
例句
- At every party, Helen attended that year he'd keep coming back again like a bad penny.
那一年，海伦参加晚会，没有一次不见到他，觉得很讨厌。 - He kept turning up like a bad penny at every party.
没有哪次晚会见不到他，真令人讨厌。
词汇搭配
- turn up again like a bad penny 不要它偏又回来,挥去...
- come back again like a bad penny 不要它偏又回来, 挥...
