1. at issue is 问题是
What is at issue is whether she was responsible for her actions.
问题是她是否对自己的行为负有责任8_g8G8@e=aZ。

2. opt out 选择退出
My co-workers invited me to join them at a local restaurant after work, but I decided to opt outsince I was exhausted.
同事邀请我完工作后到当地一家餐馆聚会，但因为实在太累，我决定不参加R2_D=Wzc+W%。

3. in the wake of 在……之后
A wide range of industries, from car and steel plants to beer brewers and paper factories, shut down in the wake of the quake and tsunami.
从汽车厂、钢铁厂，到啤酒厂和造纸厂，很多工厂都在地震和海啸发生后关闭了N1FQP,+!!5e@。

4. gear up for 加紧准备
As India's politicians gear up for a general election, competitive populism is the only game in town.
随着印度政界人士开始准备大选，拉拢民心成为了当下唯一的游戏Cn,4d03wf_P.ANM=j。