at a moment's notice

2900at the mercy of||0任凭...摆布，在...面前无能为力...3116at a moment's notice||0一通知到就；在短时间内...3160against all the odds||0尽管有极大的困难，尽管极为不利

at a moment's notice即刻, 立即...at a moment's notice 一接到通知就...at a moment's notice 即刻

at a loss 惶然；不知所措（puzzled)...at a moment's notice立即；马上...(without preparation before hand; at once)

这个不会有问题的。我们已经准备好（at a moment's notice）进行操作了。...