be down to doing信息详情
着手做
to be down───倒下
be down to───只剩下（少许钱财、货物等）；可归因于; 因为; 仅剩; 仅余；由（某人）负责；降低至
be doing───做；现在进行时；表达当时的行动（状态）
be opposed to doing───反对做
be exposed to doing───暴露于做某事
be attached to doing───执着于做
be used to doing───习惯于做某事；习惯于...
set down to doing───着手做
be halfway to doing───半途而废
California thus seems to be doing its level best to come to ruin and, as the nation's largest economy, to drag the country's hopes for a recovery down with it.───看来作为美国最大的经济体的加州正在尽最大努力自取灭亡，而这也打碎了美国对经济复苏给予的希望。
In order to be happy at work, you must find something that you enjoy doing. This might narrow down your choices considerably.───为了工作得开心，你就必须找一些自己乐于做的事情，这就大大缩小了选择范围。
It kept breaking down and having to be repaired, and because that required permission, I finally found out what Fraus Schmitz was doing.───那台录音机经常出毛病，不得不维修，因为那需要批准的，我最终发现了施密兹夫人在做什么。