You could say to them, hey, penny for your thoughts.
你可以对他们说，嘿， 你的想法一分钱。
跟大叔Bob学英语
The one is, you can say to someone, a penny for your thoughts.
一个是， 你可以对某人说，一分钱用于你的想法。
寂寞芳心（下）
" Penny for your thoughts" ! she cried, and tossed one of the wilted roses at him, across the table.
“一分钱一分货” ！ 她叫道，隔着桌子向他扔了一朵枯萎的玫瑰。
英语百科
A Penny for Your Thoughts
"A Penny for Your Thoughts" is episode 52 of the American television anthology series The Twilight Zone, written by George Clayton Johnson. It originally aired on February 3, 1961 on CBS.