bough[bau]n.1.■【植物学】2.■树枝(尤指主枝);粗树枝,大树枝3.■(树上折下的)有花果的树枝4.■[古语]绞刑架saw off the bough on which one is standing (或sitting)锯断自己所站(或坐)的大树枝;自己害自己