19.on the table提交讨论
It means that all the options are at least on the table.这就意味着, 至少所有的选择都已经被提交讨论。
20.to turn the tables on sb
(get the upper hand)扭转局面从而比某人占上风
The only question is whether the President can use his extraordinary political skills to turn the tables on his opponents.唯一的问题是, 总统能否运用他杰出的政治手腕扭转局面, 在与对手的较量中占据上风。