adj.半信半疑的，犹豫不决的；可疑的；暧昧的，含糊的；不可靠的 双语释义：adj.(形容词)半信半疑的,可疑的 not certain and slightly suspicious about sth; doubtful不可靠的,冒风险 possibly or probably dishonest, disreputable or risky英英释义： dubious[ 'dju:bjəs ]adj.fraught with uncertainty or doubt"dubious about agr