死諸葛走生仲達

Etymology
From during the Three Kingdoms period. At his fifth expedition, Zhuge Liang, who served as the imperial chancellor of, died. Shu Han's expedition force retreated without announcing Zhuge Liang's death. His opponent, general Sima Yi, was unaware of Zhuge Liang's death and suspected the sudden retreat as a plot, thus unable to pursue Shu Han forces.

Idiom

 * 1) to deter someone else using cheap, low-skill tricks by a clever person