衅

边衅

biān xìn

clash on the frontier

衅端

xìn duān

pretext for a dispute

衅隙

xìn xì

enmity

寻衅

xún xìn

to pick a quarrel

寻衅滋事罪

xún xìn zī shì zuì

disorderly behavior (PRC law)

挑衅

tiǎo xìn

to provoke; provocation

观衅伺隙

guān xìn sì xì

lit. to look for holes, and observe gaps (idiom)