算错，误解

1. 误解：29.date back to (时间)追溯到 | 30.get it wrong 误解 | 31.on the contrary 相反的是;反而

2. 弄错(意思误会：You've spelt the word wrong. 你把这个单词拼错了. | get it wrong 弄错(意思误会 | The day went wrong. 天气变坏了.

3. 算错, 误解：get it out [口语词组]清除紧张情绪, 轻松轻松. | get it wrong 算错, 误解. | get left 被遗弃, 被击败.

4. 陷井：29.date hand to (具体光阴)追溯到 | 30.get it wrong 陷井 | 31.on the contrary 相反的是;反而