我按图索骥查下来
“(I followed the clues and looked into it.)”
THE DIALOGUE REEL
祐辰安这个举动太过奇怪
“(that You Chen'an's actions are weird.)”
我 按图索骥 查 下来
“(I followed the clues and looked into it.)”
他自从来到三法司
“(Since the day he joined the Three Judicial Offices,)”
Direct spoken expression in this communicative setting.
Officials in imperial contexts frequently employ classical chengyu (four-character idioms) like '按图索骥' to demonstrate literacy and methodical thoroughness.
LEARNING CHUNKS & PARTICLES
following leads methodically; looking for a steed by following a drawing
Idiom describing following concrete clues or strict steps to find what one is seeking.
upon thorough investigation
Directional complement indicating the culmination of a systematic, downward investigation.