词汇对比与辨析

核心差别

profitless 强调profitless 是一个形容词,pointless 则侧重pointless 指某事没有意义、目的或价值

使用场景对比

对比方面profitlesspointless
核心含义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。pointless 指某事没有意义、目的或价值,常用来形容行动、讨论或事物显得徒劳或无用。
词性形容词形容词
使用语域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'。pointless 通常用作表语形容词,后接名词或动名词,描述事物缺乏意义。常见句型包括 'It is pointless to do something' 或 'Something is pointless'。

对比例句

profitless

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。

profitless

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。

pointless

It's pointless to worry about things you can't change.

担心你无法改变的事情是毫无意义的。

pointless

The argument was pointless because neither side would listen.

这场争论毫无意义,因为双方都不肯听对方的。

常见误用提醒

使用 profitless: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。)

使用 profitless: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。)

使用 pointless:It is not pointless to try. → It is pointless to try. (pointless 本身已表示“无意义的”,加上 'not' 会造成双重否定,使句子含义模糊。正确用法应直接使用 pointless 表达否定意义。)