Definition On this one idiom
English vocabulary and translations (See all our English vocabulary translation)
(I have a problem. I need your help) on this one: (I have a problem. I need your help) for this particular instance, case, situation
- "Trust me on this one, Mr. Delavigne."
- "Also, I really appreciate you both keeping Bruno out of the loop on this one."
- "We really need her input on this one."
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