1N-VAR (短暂的)情事;露水情缘 If two people have a brief romantic relationship, you can say that they have a dalliance with each other, especially if they do not take it seriously. (短暂的)情事;露水情缘 [old-fashioned]
...my dalliance with a certain footballer.
我与某个足球运动员的露水情缘
...sexual dalliances.
几段露水情缘
2N-COUNT [oft poss NOUN]短暂参与;短暂接触 Someone's dalliance with something is a brief involvement with it. 短暂参与;短暂接触 [old-fashioned]
...my brief dalliance with higher education. [+ with]