1
sth wanes
wane 是不及物动词，不接宾语；常指兴趣、影响等逐渐减弱。
Public interest in the case has waned.
公众对这个案件的兴趣已经减退。
减少；变小；衰落
先理解核心含义，再看它在真实句子里的用法。
减少；变小；衰落
to become gradually less or smaller
Public interest in the case has waned.
公众对这个案件的兴趣已经减退。
逐渐失去光彩、价值、热情、力量、强度等；衰退。
To progressively lose its splendor, value, ardor, power, intensity etc.; to decline.
(光线)变暗或强度减弱。
For light to dim or diminish in strength.
指月球在其每月周期中可见表面逐渐变小的过程
For the Moon to pass through the phases of its monthly cycle where its surface is less and less visible.
(指时期)即将结束。
Said of a time period that comes to an end.
wane
Base
原形
wanes
3rd person
第三人称单数
waning
-ing
现在分词
waned
Past
过去式
waned
Past participle
过去分词
Public interest in the issue continues to wane.
公众对这个问题的兴趣持续减弱。
Her enthusiasm waned after the first week.
一周过后，她的热情减退了。
The influence of the old system has waned.
旧制度的影响已经减弱。
wane 表示逐渐变小、减弱或衰落，常用于兴趣、影响、情绪等，也可指月亮亏缺。规则动词，过去式和过去分词均为 waned。
The team's confidence waned after they lost three games in a row.
连输三场比赛后，这支球队的信心减弱了。
Her interest in learning the piano has been waning recently.
她最近学钢琴的兴趣一直在减退。
As winter approached, the days began to wane.
随着冬天临近，白天开始变短。
wane 是不及物动词，不接宾语；常指兴趣、影响等逐渐减弱。
Public interest in the case has waned.
公众对这个案件的兴趣已经减退。
用于描述月球的视大小逐渐变小，与 wax 相对。
The moon wanes and then becomes a new moon.
月相渐亏，然后变成新月。
这是名词 wane 构成的固定短语，意为“在衰退中”，常放在 be 动词后。
The popularity of this singer is on the wane.
这位歌手的人气正在衰退。
Not this
The scandal waned his reputation.
Use this
His reputation waned because of the scandal.
wane 是不及物动词，表示“逐渐减少、衰落”，后面不能直接跟宾语。要表达“某事导致某物减弱”，应让“某物”作主语，用 because of 引出原因，或用 cause ... to wane。
Not this
His enthusiasm is waning down.
Use this
His enthusiasm is waning.
wane 本身已包含“逐渐变少、变小”的意思，不需要再加 down。汉语的“下降”可以说“下”，但英语 wane 后不需要加任何介词或副词来表示方向。
Not this
There is a wane in the quality of education.
Use this
The quality of education is on the wane.
wane 作名词时多用于 on the wane 这一固定短语，表示“正在衰落/减少”，一般不说 a wane in...。名词 wane 不可数，且搭配介词 on。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
正在减弱；逐渐衰落
Public interest in the scandal is on the wane.
公众对这桩丑闻的兴趣正在减弱。
（月亮）盈亏；盛衰交替
The moon waxes and wanes in a regular cycle.
月亮按固定周期盈亏。
亏月；残月
The waning moon rose late in the night.
亏月到深夜才升起。
人气下降；越来越不受欢迎
The band's popularity began to wane after their lead singer left.
主唱离开后，乐队的人气开始下降。
尾声；行将结束的日子
They spent the waning days of summer by the lake.
他们在湖边度过了夏天的尾声。
兴衰交替；时起时落
The popularity of the trend waxes and wanes over time.
这股潮流的流行程度随着时间起起落落。
正在减弱；逐渐衰败
After the scandal, his career was on the wane.
丑闻过后，他的事业日渐衰落。
Use wane naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 wane 中间的 a 看作月牙：月牙越变越小，即“亏缺、衰落”。
语域：mixed 常见场景：astronomy (moon phases)、formal writing (figurative decline) 该词作动词时，字面指月亮亏缺（天文语境中较中性）；引申指力量、兴趣等减少或衰落，比较多见于正式书面或文学表达。整体上既可用于中性技术语境，也常见于正式书面语境，故将本条的语域标为混合类。
上述词都与 wane 押韵，读作 /eɪn/。注意：rain、pain、train、plain 虽拼写中含 ain，但发音仍是 /eɪn/；另外 wan /wɒn/（英）或 /wɑːn/（美）、wean /wiːn/ 拼写看似相近，但发音不同。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.