羊觸藩籬 [ㄧㄤˊ ㄔㄨˋ ㄈㄢ ㄌㄧˊ; yang2 chu4 fan1 li2] lit. billy goat's horns caught in the fence (idiom from Book of Changes 易經); impossible to advance or to retreat without any way out of a dilemma trapped in an impossible situation ◄ ►