Dictionary entry
in one case
adverb
有一次
on one occasion
- 1.
on one occasion
In use
In one case, the package was delivered to the wrong address.
She skipped class in one case, but otherwise she was a diligent student.
In one case, the experiment produced unexpected results.
In one case, [clause]
用于句首，引出某个具体情况。
In one case, the patient recovered completely.
在一次案例中，病人完全康复了。
[clause] in one case
用于句末，强调某一特定情况。
The experiment failed in one case.
实验在一次案例中失败了。
In only one case [comma] [clause]
用“only”强调唯一性，常引起倒装。
In only one case did the treatment show no effect.
仅在一种情况下，治疗未显示效果。
Common mistakes
In a case, I forgot my keys.In one case, I forgot my keys.
使用 'a' 代替 'one'，导致泛指与特指混淆。'in one case' 特指某一次具体情况，而 'in a case' 通常指在某个案例或情况下，不符合此处 '有一次' 的含义。
In case, he arrived late.In one case, he arrived late.
混淆了 'in case'（以防）与 'in one case'（有一次）。'in case' 是连词引导目的状语，而此处需要表示 '在某一次情况中'，因此必须用 'in one case'。
Connections
Confusing words
- in case
- 以防 · “in one case”表示“有一次”，指具体一次；而“in case”表示“以防”，引导条件状语，表示预防措施。
- in the case
- 在这种情况下 · “in one case”强调某一次单独情况；而“in the case”用于引出特定事例或情境，常与of连用。
Learner notes
Grammar Note
常用于举例或引出某一具体情形，可置于句首或句末。
Dictionary facts from ECDICT, WORDNET.