如芒在背

Explanation: Described as extremely disturbing. 　　Usage: Verb-object type; as predicate, adverbial, attributive; containing derogatory 　　Source: Han Ban Gu "Huo Guang Han Chuan": "Xuan Li before, an audience gaomiao, Can take light from the generals. The dread of the strict, if thorn in the side." Thesaurus:  as (if) Barb back