1. back away from 退缩；放弃
The US central bank had discussed the possibility of buying Treasuries before, but had appeared to back away from the idea in recent weeks.
美联储此前曾讨论过购买国债的可能性，但最近几周似乎放弃了这一想法LvwQ;IAHr%.。

2. kick in 开始生效；起作用
As discounts kicked in, bookings for immediate travel rose by 15%...
由于开始实行了打折，近期旅行的预订量上升了15%sXAoAno2-rdP@。


3. hold sb. at bay 让某人不敢轻举妄动；钳制住某人
These tree frogs have a powerful poison on their backs that helps hold predators at bay.
这些树蛙背部有一种毒性非常大的毒素，可以制住捕食者by#+U_pyjK9@FCS.;Nw。

4. be cozy with sb. 与某人关系密切
The company said it isn't cozy with Washington.
通用电气说，自己跟华盛顿的关系并不密切q52er2&o9@)L,C。