触目惊心 [- - jīnɡ xīn] (看到某种严重的情况引起内心的震动) see the scene which is dreadful to one's mind; strike the eye and rouse the mind; a ghastly sight; horrifying; shocking (to the people); startling:
•¶ 要用这些触目惊心的事实教育干部, 提高他们的警惕性。 Educate the cadres with these startling facts so as to heighten their vigilance.