重点讲解：
1. allude to 间接提到；暗指；影射；
The problem had been alluded to briefly in earlier discussions.
这个问题在以往的讨论中已经间接提及7AdG^#c@=ap0!。
2. take advantage of 利用；
Take advantage of low-season airfares.
利用淡季飞机票价M43o7LE|E8t.,[。
3. give up on 对…绝望；对…不抱希望；
He urged them not to give up on peace efforts.
他力劝他们不要放弃对和平的努力*h-nvB0fN]aXhkFN*IQ。
4. drum up 竭力争取(支持)；兜揽(生意)；
The UN secretary-general arrived in Tokyo to drum up support for international peacekeeping.
联合国秘书长抵达东京竭力为国际维和争取支持OiRLWY-WX^K。