[词语]can’t say boo /boh /bo to a goose
to be unable to say boh /bo /boo to a goose
[含义]胆小如鼠;非常胆怯
[趣释]【经典喻指】“连对一只鹅呸一声的勇气都没有”(can’t say bo to a goose)是16世(试读)...