重點講解：
1. look into 考察；調查；研究；
The government has instituted a court of inquiry to look into the allegations.
政府已成立了調查法庭來調查這些指控P!bX9DK,9~_9jpk。
2. shoot down 擊落(飛機、直升機、導彈等)；
He was able to shoot down a flying bird with the bow and arrow.
他張弓搭箭能射落空中的飛鳥m@[;cj_iKdnuTYktIEF。
3. in retaliation for 報復；
The attack is thought to have been in retaliation for last week's bombing.
這次攻擊被認為是對上周轟炸的報復行動R[tcpnuFeEklTQ。
4. assist with 幫助，協助(完成工作)；
Foreign Office officials assisted with transport and finance problems.
外交部官員幫助解決運輸和經費問題QOt7P*9L|5。