伸出援助之手, 助一臂之力

lend a helping hand stretch out a helping hand give a hand give a hand in give sb. a hand give sb. a glad hand give one a big hand give a help ing hand helping a hand give one's hand to sb. be ready to lend a helping hand give a hand give sb a hand give sb. a hand give sb a free hand give sb. a glad hand give one a big hand helping give one's hand on give up a business give sb. a snuff give sb a hearing