/ɪm'pæsɪv/ a. (冷漠的) without feeling; revealing little emotion or sensibility; not easily aroused or excited Refusing to let the enemy see how deeply shaken he was by his capture, the prisoner kept his face impassive.
/mɛn'deɪʃəs/ a. Syn. lying (撒谎成性的,撒谎的,假的) lying; habitually dishonest; speaking falsely Distrusting Huck from the start, Miss Watson assumed he was mendacious and refused to believe a word he said.