...[04/12]keep your hand in 偶尔操练某事以保持熟练 [04/12]in the hands of somebody; in somebody's hands 受某人照料；被某人控制 [04/12]in hand 在手头；可供使用//在掌握中；在控制中//正在处理中//领取工资 ..
Ultimately, I think this contrast is likely to play into thehandsof Perry inthe Republican primaries, because right now the base wants somebody who is willing to shake things up and challenge the status quo.