虐心 [nüè xīn] adj. Abuse+heart. Heart-wrenching.

Example: Having just heard the heart-wrenching news that Wallace would make a surprise appearance at the “Monster Hunt” pre-screening event this afternoon in Shanghai, many fans felt abandoned by their idol.

[Note: The fans were saddened by the surprise appearance because they didn’t have the chance to go to the pre-screening to support the idol.]