对于考研英语二的词组背诵，建议优先记忆那些在日常生活和学术场景中常见且实用的词组。以下是一些推荐的词组及其解释和例句：
fend off
含义：抵御，挡住
例句：We need to find ways to fend off the hackers from accessing our system.
fight off
含义：① 抵御，抵抗；② 击退；③ 摆脱
例句：They fought off the enemy's attack and managed to escape from the village.
figure out
含义：理解，明白，弄清楚
例句：It took me a while to figure out the answer to the problem.
die down
含义：① 逐渐停止；② 逐渐消失；③ 减弱，平息
例句：The noise of the traffic gradually died down as the day turned into night.
这些词组不仅有助于提高英语阅读理解能力，还能在写作和口语表达中起到重要作用。建议通过例句和实际应用场景来加深记忆，以达到更好的学习效果。