v.轻描淡写；表演不充分
n.不充分的表演；暗中的活动
Coaches realize that good things can happen when players are in the flow zone and not overplaying or underplaying. 教练了解当运动员在流动区域中不过度打击或打击不足的时候，就会发生好事情。
Now, what happens when you are in a match, playing cautiously, tentatively, and underplaying? 现在，当你在一个比赛中的时候又发生了什麽事呢，你可能慎重地，尝试性地打球，而比赛不足吗？
Your battle on the tennis court, as far as timing and rhythm is concerned, is to learn how to back off when you are overplaying and step it up when you are underplaying. 在网球场上的你战斗，只要更关心注意到时间点和节奏，是学习在你正过度比赛时如何后退离开而且在你比赛不足时如何向上前进一步。
He said the spill underscores the need for the federal Environmental Protection Agency to regulate the containment of coal ash and accused TVA of underplaying the Tennessee spill. 粉煤灰是环保局强制管理项目，需要封闭处理，将控告TVA 对田纳西灰浆疏于管理。
Kissinger's strategy focuses on maintaining equilibrium among the major powers, while underplaying the role of the Third World and the United Nations in global stability and security. 基辛格的战略集中于维持大国间的力量均衡，而对第三世界和联合国在世界稳定与安全中的作用重视不够。
