observev.观察；遵守；注意到；庆祝observe a ceasefire执行停火observed count rate观察计数率observe the -ties遵守礼节; 依照社交惯例observed difference观测值差observed heat value观测到的热值observed settlement实测沉降Observe and control测控observe an occasion纪念某件事observe attentively仔细地观察observed nothing on对 ... 没发表意见

1. The event was on everyone's tongue.
   每个人都在谈论那件事。
2. She tattled on her estranged husband.
   她在背后谈论与她分居的丈夫的私事。