| 释义 |
| | | | NOUN | | | | | 1 | a bad experience that warns someone to change something , usually the way they behave 警钟 | The low test scores should serve as a loud wake-up call to teachers. 不佳的测验成绩应该给老师们敲响了重重的警钟。 | | | | | 2 | a telephone call that you receive to wake you up , especially in a hotel （尤指旅馆中的）催醒电话 | | |