mid-14c., "confab, chat," from dally + -ance. Probably formed in Anglo-French, but not attested there. Meaning "amorous play, flirtation" is from late 14c.; that of "idle or frivolous activity" is from 1540s.
权威例句
1. It turned out to be his last dalliance with the education system.
这一次竟成了他对教育体制最后的嘲弄。
2. In February 1967, she began a dalliance with Robin Douglas - Home, 35, a talented and troubled pianist and the nephew of a former prime minister.