Level 5 · word 7,520 of 20,000
undertaking
/ˈʌndərˌteɪkɪŋ/
American
- n. 保证, 任务
- Definition
- n. a formal promise or a large task you have committed to do
- Example
- Building the new bridge was a massive undertaking.
- 建造这座新桥是一项浩大的工程。