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Phrases. 1  be of assistance. 2  Be of practical use or help. âthe guide will be of assistance to development groupsâ. ââWe hope this small fund and material aid will be of assistance to the victims,â a press release stated.â.
help (oneself) to. 1. To serve or provide oneself with: Help yourself to the cookies. 2. Informal To take (something) without asking permission: The thief even helped himself to the spare change in the jar.elp (oneself) to. 1. To serve or provide oneself with: Help yourself to the cookies. 2. Informal To take (something) without asking permission: The thief even helped himself to the spare change in the jar.