1. be up against 對抗；防范；面對
They are up against a highly organised army, using a sophisticated communication system to coordinate its behaviour.
他們面對的是一支組織十分嚴密，利用尖端的通訊系統協同作戰的正規軍z)+2DW.z5o!#*n&。

2. at the end of the day 說到底
At the end of the day, policy -- like policy governing policing and immigration -- is where the action needs to be.
說到底，政策——比如管理治安和移民的政策——就是需要行動的地方q-XS=qFLovNr。

3. to do that 為此
To do that, they use a variety of simulations, large-scale electromagnetic calculations, and measurements.
為此，他們使用了各種仿真技術、大規模電磁計算和測量技術1)GsAkNRs-3=!DHqhY=G。

4. in reponse 作為回應
In response, the Supreme Court changed its decision, and said the extradition should proceed unless Mr Apablaza was granted asylum.
作為回應，高等法院改變了決定，并說將執行引渡，除非Apablaza被獲準庇護6qS|JQB1;#8Q4。