他们便不会煞费苦心
“they wouldn't have gone to such trouble”
THE DIALOGUE REEL
若是已经找到
“If they had,”
他们便 不会 煞费苦心
“they wouldn't have gone to such trouble”
去青阙宗绑架常宁了
“to abduct Chang Ning at Qingque Sect.”
Direct spoken expression in this communicative setting.
In Chinese wuxia/xianxia narratives, characters frequently engage in deductive reasoning based on the enemies' movements to reveal hidden plots.
LEARNING CHUNKS & PARTICLES
to take great pains; to rack one's brains
A formal idiom describing extreme effort and calculated planning, often with a neutral or slightly critical overtone.
then [they] would not have...
Used in logical deduction or conditional sentences to indicate an inevitable contrary outcome.