/dɪˈlɪvər baɪ hænd/ – Phrase
Definition: Giao (cái gì đó) bằng tay.
A more thorough explanation: to take something such as a good, letter, or a parcel, etc to someone’s house or place of work personally, rather than by posting it
Example: All notices, requests, demands and other communications under this Agreement shall be delivered by hand.