sth switheres
不及物动词，后面不接宾语；主语多为能摆动的物体。
The old sign swithered above the door.
那块旧招牌在门上方来回晃动。
来回移动；摆动
swithered — past of swither
来回移动或摆动。；怀疑；动摇；犹豫
来回移动或摆动。
To move or swing about.
一般现在时
The curtain swithers in the breeze.
窗帘在微风中来回摆动。
一般过去时
He swithered on the branch before jumping.
他在树枝上摇摆了一会儿才跳下去。
现在完成时
She has swithered between the two offers all week.
她整个星期都在两个提议之间犹豫不决。
swither 指来回移动或摆动，常带有犹豫不决的意味；规则动词。
The empty boat swithered gently on the still water.
空船在平静的水面上轻轻摆动。
用法提示：swithered 是动词过去式，表示来回摆动。
The branches swither in the evening breeze before settling.
树枝在晚风中摆动着，然后才静止下来。
用法提示：swither 是动词原形，表示来回摆动。
The loose lamp was swithering on its hook in the draft.
那盏松动的灯在穿堂风中于钩子上来回晃动。
用法提示：was swithering 是动词的过去进行时，表示当时正在来回摆动。
不及物动词，后面不接宾语；主语多为能摆动的物体。
The old sign swithered above the door.
那块旧招牌在门上方来回晃动。
常跟表示处所或环境的地点状语，说明摆动发生的地方。
The curtains swithered in the wind.
窗帘在风中摆动。
grammar · medium
易错句子The branches were switherring in the wind.
正确表达The branches were swithering in the wind.
swither 的重音在第一个音节，词尾 -er 不是重读闭音节，因此加 -ing 时直接加，写作 swithering，不双写 r。只有以重读闭音节结尾的动词才双写末尾辅音，如 prefer→preferring。
grammar · medium
易错句子The curtain swither in the breeze.
正确表达The curtain swithers in the breeze.
一般现在时中，第三人称单数主语（the curtain）后的动词必须加 -s，变成 swithers；原形 swither 只用于 I/you/we/they 或复数主语之后。
swing 指物体绕固定点（如悬挂点、铰链）来回摆动，是最通用的说法；swither 更罕见，多用于苏格兰英语，指不平稳地来回晃动，日常表达通常用 swing。
sway 多指直立物体（如树、人或身体）缓慢地左右摇动，常带不由自主的意味；swither 强调小幅、不稳定的来回晃动，且是罕用方言词。
swivel 指绕轴转动到另一朝向，重点在改变方向而非反复来回；只是原地小幅来回晃时不用 swivel，而 swither 正是来回晃动。
Choose the next layer that will help you use swithered with more confidence.
Recommended next
Missing: Collocations
Complete this area with collocations.
Includes Context & register & Memory tip
Analyze the context and learn memory tricks to remember it.
More ways to explore
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Includes Spelling & sound
Explore words with similar spelling endings or sounds.
Includes Word components & Thematic vocabulary
Learn how to build related words using roots, prefixes, and thematic clusters.
Includes Idioms & Cultural references
Discover idioms, slang, and famous pop culture quotes.
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.