at the one-yard line

臨門一腳 / 處於最後關頭

這個片語來自美式橄欖球，`one-yard line` 是達陣線前一碼，意味著即將得分。這裡 Jake 用它來形容案件「We are at the one-yard line」，表示案件偵破已進入收尾階段、臨近成功。