虎穴追踪hǔ xué zhuī zōng

follow the trail of the tiger to its lair;track (/trace) the tiger to its lair
❍ 我侦察员决定～，找出匪徒的隐藏据点。Our scouts decided to follow the trail of the tiger to its lair so as to find the hidden base of the bandits.

虎穴追踪

track a tiger to its lair

虎穴追踪hǔ xuè zhuī zōnɡ

到老虎的巢穴去跟踪追击。比喻在危险的地方行动。track the tiger to its lair, follow the trail of the tiger to its lair