GbEng
他们挥手告别. They waved farewell.
她不耐烦地挥手让他们走开. She waved them away impatiently.
他在街上向我亲切地挥手致意. He greeted me in the street with a friendly wave of the hand.
我刚站起身,他就挥手让我坐着。 I had no sooner stood up than he waved me to remain sitting.