名詞 overcast:

1. the state of the sky when it is covered by clouds
   同義詞：cloudiness, cloud cover
2. gloomy semidarkness caused by cloud cover
   同義詞：cloudiness
3. a long whip stitch or overhand stitch overlying an edge to prevent raveling
   同義詞：overcasting
4. a cast that falls beyond the intended spot

動詞 overcast:

1. make overcast or cloudy
   同義詞：cloud
2. sew over the edge of with long slanting wide stitches
3. sew with an overcast stitch from one section to the next

形容詞 overcast:

1. filled or abounding with clouds
   同義詞：cloud-covered, clouded, sunless

1. It is said that Juno one day, perceiving the skies suddenly overcast, surmised that her husband had raised a cloud to hide some escapade.
   據(jù)說有一天朱諾看到天空突然烏云密布，就料想這一定是她丈夫興起一團(tuán)云來遮蓋自己的放蕩勾當(dāng)。
2. An overcast stitch or seam.
   包邊縫紉的針腳或線縫
3. There is a gloomy, overcast expression on his face.
   他愁眉苦臉。
4. It's a bit overcast; it might rain.
   天有點(diǎn)陰，可能下雨。

o.ver.cast

adj.（形容詞）

Covered or obscured, as with clouds or mist.
遮蔽的：如被云霧遮住或掩藏的
Clouded over.
（天空）多云的，陰的
Gloomy; melancholy.
沮喪的；憂郁的
Sewn with long, overlying stitches in order to prevent raveling, as the raw edges of fabric.
包邊縫的，鎖邊的：為防止織物的毛邊、散線而用長針腳在上面縫的
n.（名詞）

A covering, as of mist or clouds.
覆蓋：遮蔽，如云、霧等
An arch or a support for a passage over another passage in a mine.
風(fēng)橋，支撐物：礦井中將一個通道架于另一個通道之上的拱形物或支撐物
A cast made in fishing that falls beyond the point intended.
過遠(yuǎn)的一撒：捕魚時遠(yuǎn)于原先想投的一次拋擲
An overcast stitch or seam.
包邊縫紉的針腳或線縫
v.（動詞）
o.ver.cast,o.ver.cast.ing,o.ver.casts[ô.v…r-k2st., ô.v…r-k2st.]
v.tr.（及物動詞）
To make cloudy or gloomy.
使陰暗，使憂郁
To cast beyond (the intended point) with a fishing rod.
過遠(yuǎn)的拋：將釣魚桿拋過（所期望的位置）
To sew with long, overlying stitches.
包邊縫：用覆于其上的長針腳縫紉
v.intr.（不及物動詞）
To become cloudy or gloomy.
陰暗起來：變多云；變得沮喪