appropriateness n.适当；适合【反】.. infelicity（n.不吉利，不合适） approval n.同意，（官方的）批准；认可；赞成【例】.. I showed my approval by smiling. 我用微笑表示赞成。【类】.. mirth:laughter＝approval:applause..高兴用欢笑表达＝认可用鼓掌表示.. .... endow:income＝endorse:approval..捐赠给别人收入＝背书给别人认可 approve v.（与.. of连用）（官方地或正式地）赞成，认可＝approbate＝countenance 【例】.. I don't approve of wasting time.我不赞成浪费时间。【记】.. ap一再，prove测试，证明－证明可行－赞成【反】.. substantiate（v.证实）－disapprove（v.不赞成） approximate adj.大约的，估计的（much like；more or less correct or exact）The approximate time is two o'clock.大概的时间是.. 2点钟。【记】.. ap一再，proxim接近－大约的【类】.. paraphrase:verbatim＝approximate:precise..意译不是逐字的＝大约不是精确的