2. be of some/ no/ much help to sb. 對某人有些 / 沒有 / 很有幫助。
This book is of great help to me. 這本書對我很有幫助。
Is this magazine of any help to you ? 這本雜志對你有些幫助嗎？
3. help oneself （ to ）自用（食物等）。
Help yourself to the fish. 請隨便吃魚。
Please help yourself to some pork. 請隨便吃點肉。