重点讲解：
1. hunt down 追捕到，穷追直至找到（罪犯、敌人等）；
Both the United States and European Union have called on Russian authorities to hunt down and prosecute the killers.
美国和欧盟都呼吁俄罗斯当局追查凶手并将其绳之以法。
2. take into consideration 考虑到；顾及；
Objections to the plan will be taken into consideration.
对本计划的异议将予以考虑。
3. on the basis of （行事的）理由，根据；
The practice was often justified on the basis of economics.
这一实践往往是根据经济决定的。
4. give in 屈从；让步；
We humans can so easily give in to our vices.
我们总是很轻易地向自己的恶习屈服。