[{"data":1,"prerenderedAt":127},["ShallowReactive",2],{"word-profitless":3},{"source":4,"data":5,"quality_score":125,"lastmod":126},"static_word_details",{"lemma":6,"phonetic":7,"pos":9,"definition_zh":11,"usage_points":12,"collocations":34,"examples_basic":77,"examples_advanced":90,"common_mistakes":103,"synonyms_nuance":112,"diff_pairs":121,"word_family":124},"profitless",{"us":8,"uk":8},"'prɒfitlis",[10],"形容词","profitless 是一个形容词，指没有利润、收益或实际好处的，常用于描述活动、投资或努力徒劳无功。",[13,20,27],{"title":14,"content":15,"examples":16},"句型搭配","profitless 通常用作表语或定语，描述事物缺乏效益，常见于否定或批评语境，如 'It is profitless to...' 或 'a profitless venture'。",[17,18,19],"It is profitless to argue further.","a profitless discussion","profitless efforts",{"title":21,"content":22,"examples":23},"介词用法","profitless 常与介词 'for' 或 'to' 连用，表示对某人或某事无益，例如 'profitless for the company' 或 'profitless to pursue'。",[24,25,26],"profitless for investors","profitless to continue","profitless in the long run",{"title":28,"content":29,"examples":30},"语域说明","profitless 多用于正式或书面语，如商务、学术报告，日常口语中较少见，可用 'pointless' 或 'useless' 替代以更自然。",[31,32,33],"profitless negotiations","profitless research","profitless endeavor",[35,43,51,59,63,70],{"type":36,"items":37},"verb",[38,39,40,41,42],"prove profitless","consider profitless","deem profitless","find profitless","render profitless",{"type":44,"items":45},"adjective",[46,47,48,49,50],"completely profitless","utterly profitless","largely profitless","seemingly profitless","inherently profitless",{"type":52,"items":53},"noun",[54,55,56,57,58],"profitless venture","profitless activity","profitless discussion","profitless effort","profitless investment",{"type":60,"items":61},"adverb",[62],"profitlessly",{"type":64,"items":65},"preposition",[66,67,68,69],"profitless for","profitless to","profitless in","profitless as",{"type":71,"items":72},"phrase",[73,74,75,76],"a profitless exercise","of profitless nature","turn out profitless","end up profitless",[78,81,84,87],{"en":79,"zh":80},"The long meeting was completely profitless; we didn't reach any decisions.","这次漫长的会议完全徒劳无功，我们没做出任何决定。",{"en":82,"zh":83},"He realized his efforts to fix the old car were profitless and gave up.","他意识到修理那辆旧车的努力是白费力气，于是放弃了。",{"en":85,"zh":86},"It's profitless to worry about things you can't change.","为无法改变的事情担心是徒劳无益的。",{"en":88,"zh":89},"Their argument was profitless and only made everyone upset.","他们的争论毫无益处，只会让每个人都不开心。",[91,94,97,100],{"en":92,"zh":93},"The market analysis proved profitless, as it failed to predict the economic downturn.","市场分析被证明是徒劳的，因为它未能预测经济下滑。",{"en":95,"zh":96},"In academic circles, profitless debates often hinder progress in research.","在学术界，无益的争论常常阻碍研究进展。",{"en":98,"zh":99},"The company's expansion into that region was a profitless venture due to regulatory issues.","由于监管问题，公司在该地区的扩张是一次无利可图的冒险。",{"en":101,"zh":102},"Investors deemed the new policy profitless for long-term growth and shifted their funds.","投资者认为新政策对长期增长无益，因此转移了资金。",[104,108],{"wrong":105,"right":106,"explanation":107},"This project is profitless for me to do.","This project is profitless for me.","错误用法中 'to do' 冗余，因为 'profitless' 已直接描述项目性质，正确用法应简洁表达。",{"wrong":109,"right":110,"explanation":111},"He felt profitless after the failure.","He felt that the effort was profitless after the failure.","错误用法将 'profitless' 误用于描述人的感受，它应修饰事物如努力或活动，正确用法需明确主语。",[113,117],{"word":114,"difference":115,"example":116},"pointless","pointless 强调缺乏目的或意义，常用于日常语境；profitless 更侧重没有利润或实际好处，多用于正式或经济场景。","Arguing is pointless. (强调无意义) vs. The investment was profitless. (强调无收益)",{"word":118,"difference":119,"example":120},"unprofitable","unprofitable 特指财务上无利润，是 profitless 的近义词，但 profitless 含义更广，可指任何无益的事。","The business is unprofitable this year. (财务上) vs. The discussion was profitless. (泛指无好处)",[122,123,114],"profit","profitable",[],70,"2026-01-09T10:14:27.483Z",1784307043451]