dumbfound

v.使人哑然失声，使发楞

网络解释.哑然失声；使目瞪口呆；使发愣；使惊讶得发呆

词形变化:

过去式：dumbfounded 过去式：dumbfounded 过去式：dumbfounding 过去式：dumbfounds

shame confuse surprise overwhelm