somebody/something/it won't be longspoken used to say that someone or something will be ready, will be back, will happen etc soon 某人/某事/这事不会很久 Wait here – I won’t be long. 在这里等着,我马上就回来。
Dinner won’t be long. 晚餐很快就准备好了。
→ somebody/something/it won’t be long at long2(6)