太公钓鱼，愿者上钩

tài gōng diào yú , yuàn zhě shàng gōutaigongdiaoyu,yuanzheshanggou

1. Jiang Ziya is fishing, if you want take the hook (idiom, refers to early sage 姜子牙 fishing with no bait and the hook above the water); to put one's head in the noose

Study it in Yanamino