重点讲解：
1. tit for tat
针锋相对；以牙还牙，一报还一报；
eg. I told her if she did me any harm I would return tit for tat.
我告诉她，如果她伤害我，我会对她以牙还牙。
eg. And this behavior is likely to trigger a series of tit for tat expulsions with each other.
而这一行为很可能会引发一系列针锋相对的互相驱逐行为。
2. object to
不喜欢；不赞成；反对；
eg. I do object to their claim, which I find totally unsubstantiated.
我强烈反对他们的说法，那是毫无根据的。
eg. I object to letting the matter stand over any longer.
我反对再把这事拖延下去。
3. take no notice of
不关注；不理会；
eg. They took no notice of him, he did not stand out, he was in no way remarkable.
他们没在意他，他并不突出，一点也不引人注目。
eg. Take no notice of his threats they're sheer bravado.
别理会他的威胁--完全是虚张声势。
4. at last
终于；最后；到底；
eg. The big moment has come at last!
重要的时刻终于到来了！
eg. The two sides come to reconciliation at last.
这两方最后讲和了。
5. put out
熄灭；
eg. She was rushing around madly trying to put out the fire.
她疯了似地跑来跑去，试图把火扑灭。
eg. Would passengers please put out cigarettes before the commencement of the flight.
请乘客在飞机起飞前熄灭香烟。