狭路相逢 [- - xiānɡ fénɡ]meet on [in] a narrow path; come into unavoidable confrontation; encounter sb. on a narrow path; (of adversaries) meet face to face [run into each other] on a narrow path; meet on a narrow pathway:
•¶ “狭路相逢这恶人, 如何是好?” “I meet the wicked man on the narrow path. What is to be done?”