单词 | sudden |
释义 | sud·den ![]() adj. Idiom: 1. Happening without warning; unforeseen: a sudden storm. 2. Happening or done without delay; hasty or immediate: a sudden decision. 3. Characterized by sharp change in elevation; precipitous: a sudden drop in the ocean floor. all of a sudden Very quickly and unexpectedly; suddenly. [Middle English sodain, from Old French, from Vulgar Latin *subitānus, from Latin subitāneus, from subitus, from past participle of subīre, to approach stealthily : sub-, secretly; see SUB- + īre, to go; see ei- in the Appendix of Indo-European roots.] sudden·ly adv. sudden·ness n. |
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