Problemist
n. 棋题设计(或研究)家
🗣️ 情景例句
People who take less exercise seem more vulnerable to illness.
缺少运动的人对疾病的抵抗力就差。
When I had a rest, what were you doing?
当我休息时，你在做什么？
Did you buy one, sir?
你买了票吗，先生？