間髪を入れず
1
immediately;instantly;with nary a pause;without a moment's delay
間髪を入れず、迅速かつ的確な応対、畏れ入ります。
Such an accurate, lightning-quick reply. What can I say?
Other forms
間髪をいれず 【かんぱつをいれず】 · 間髪を容れず 【かんぱつをいれず】