overcast

• 形容天空完全被云层覆盖，常表示阴天或可能下雨的天气。也可形容情绪阴沉、忧郁。

Describes a sky that is completely covered with clouds, often indicating that it is gloomy or likely to rain.

1. Cloudy skyA2formal

   Describes a sky that is completely covered with clouds, blocking the sun.

   阴天

   • The sky was overcast all morning, threatening rain.
   • We canceled the picnic because it was too overcast.
   • An overcast day can make the lighting feel soft and gray.

   同义词cloudedcloudydrearygloomygreyleadenmurkysunless

   反义词brightclearsunny

• 名词，指天空被云层完全覆盖的状态，也指因云层遮蔽而形成的阴暗、昏暗景象。还可指防止布料边缘散开的包边缝或锁边缝。

A noun referring to the state of the sky when it is covered by clouds, or a gloomy semidarkness caused by cloud cover. It can also refer to a long whipstitch or overhand stitch overlying an edge to prevent raveling, or a cast that falls beyond the intended spot.

1. Cloudy sky conditionB1formal

   The state of the sky when it is completely covered by clouds, blocking direct sunlight.

   阴天

   • The overcast made the afternoon feel like evening.
   • We canceled the picnic because of the heavy overcast.
   • The photographer waited for the overcast to clear for better lighting.

   同义词cloud covercloudiness

   反义词clearsunny

2. Gloomy darknessB2formal

   A dim, shadowy condition caused by thick cloud cover, creating a somber atmosphere.

   阴沉黑暗

   • The overcast cast a pall over the entire landscape.
   • They walked through the overcast of the dense forest.
   • The overcast of the storm made the city look eerie.

   同义词darknessdimnessgloommurkshadowiness

   反义词brightnessclearness

3. Sewing stitchC1formalart

   A long whipstitch or overhand stitch used to finish an edge and prevent fabric from fraying.

   包边缝

   • She used an overcast to secure the hem of the dress.
   • The tailor recommended an overcast stitch for the silk fabric.
   • Learning the overcast stitch is essential for beginners in sewing.

   同义词overcastingoverhand stitchwhipstitch

4. Fishing castC1informalsport

   A cast in fishing that lands beyond the intended target area.

   过投

   • His overcast landed the lure in the reeds across the lake.
   • The fisherman corrected his overcast by adjusting the reel tension.
   • An overcast can sometimes scare away the fish.

• 动词，指用云层覆盖天空，使天色变阴；也指在缝纫中锁边或包边，以防布料边缘脱线。

A verb used to indicate the act of covering something, especially the sky with clouds, or in sewing, to stitch over an edge to prevent fraying.

不规则动词

1. Make cloudy or darkB1formal

   To cover with clouds or darkness, making the sky gloomy.

   使乌云密布

   • The storm overcast the sky in minutes.
   • Thick fog overcast the entire valley.
   • Dark clouds overcast the horizon before the rain.

   同义词becloudblackenclouddarkendimobscureovercloudshadeshadow

   反义词brightenclearilluminatelighten

2. Sew with long slanting stitchesC1formal

   To stitch over the raw edge of fabric with long, slanting stitches to prevent fraying.

   锁边

   • She overcast the edges of the dress to finish it neatly.
   • The tailor overcast the seams for durability.
   • He learned to overcast fabric in his sewing class.

   同义词oversewwhipwhipstitch

3. Sew with an overcast stitchC1formal

   To sew using an overcast stitch that connects one section to the next.

   包边缝

   • The pattern required her to overcast the pieces together.
   • He overcast the two panels with a matching thread.
   • The seamstress overcast the sections to create a smooth join.

   同义词oversewwhipwhipstitch