“用手示意”可以用英语表达为 "gesture with one's hand" 或更简洁的 "gesture"(当上下文明确是用手时)。
He gestured with his hand for me to come closer.(他用手示意我靠近。)
She gestured towards the door.(她朝门的方向示意。)
wave one's hand(挥手示意)
beckon(招手示意)
signal with one's hand(用手发出信号)
根据具体语境选择最合适的表达即可!