imperfect
🇺🇸
/ɪmˈpɜːrfɪkt/
🇬🇧
/ɪmˈpɜːfɪkt/
not perfect; having flaws or mistakes
The vase was imperfect because it had a small crack.
这个花瓶不完美,因为它有一个小裂缝。
a verb form showing ongoing past action
The imperfect tense describes actions that were happening in the past.
未完成时态描述过去正在发生的动作。