
behilflich sein
to be of assistance
Used to express that someone helps someone or offers their help. It is a polite form of 'helfen' (to help) and is mostly used in the phrase 'jemandem behilflich sein' (to be of assistance to someone).
Der Verkäufer war sehr freundlich und war mir bei der Auswahl behilflich.
The salesperson was very friendly and was of assistance to me in making my choice.
