(以手加額表示慶幸) congratulate each other by raising the hand to the brow; be overjoyed; felicitate oneself on one's luck; place one's hands over one's forehead in greeting [congratulation]; put one's hand on one's forehead in jubilation; salute each other in a gesture of felicitation; thank one's (lucky) stars
拱手稱謝 join one's hands together in salute and thank
拍手稱快 clap in high gleeclap and cheerclap one's hands for joy