1. play into one's hands 正中某人下怀
Don't waste your time investigating her husband! You're playing into the real killer's hands!
不要浪费你的时间去调查她的丈夫！否则你就正中了奸人的下怀了！

2. shore up 巩固；支撑
The democracies of the West may find it hard to shore up their defences.
西方的民主国家或将发现很难加强他们的防御5,4p((xOax0。

3. feud with 与……素来不和
Worryingly, given his feud with the judiciary, judges nominated by him will form a majority in the Constitutional Court by next year.
令人担忧的是，考虑到他与司法部素来不和，而他提名的法官到明年将在宪法法院占据多数席位+_x,+%0ugp0#=3WAj^M。

4. set the stage for 为……打下基础/做准备
All that borrowing set the stage for our current economic morass.
正是这些借贷让我们的经济陷入了泥沼#QOSE3mOzwDto。