I used to want to [do something]?而不是I once wanted to [do something]?這聽起來會很尷尬嗎?或者可以同時使用這兩種表達方式嗎?

母語人士的回答
Rebecca
如果你說不要緊, I once wanted to do something ,而不是I used to want to do something就像你問。在大多數情況下,這兩個表達式可以互換使用。如果你只是在談論一個習慣或者你過去做過不止一次的事情,那麼最好I used to示例: I used to want a puppy. Now I want a cat. (我想要一隻狗,但現在I once wanted a puppy. Now I want a cat. (我曾經想要一隻狗,但現在I used to wait at the door every day until my mom came home. (我每天都在門口等媽媽回家。) 例子:有I once waited at the door all day until my mom came home. (有一次我在門口等了一天媽媽回家。)