PHRASE
大量地，大批地(倒下)
If you say that people or things are going down like ninepins, you mean that large numbers of them are suddenly becoming ill, collapsing, or doing very badly.
例句
There was a time when Liverpool players never seemed to get injured, but now they are going down like ninepins.
利物浦队的队员一度似乎怎么都不会受伤，但现在一倒就倒了一片。