名詞 chaff:

1. material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds
   同義詞：husk, shuck, stalk, straw, stubble
2. foil in thin strips; ejected into the air as a radar countermeasure

動(dòng)詞 chaff:

1. be silly or tease one another
   同義詞：kid, jolly, josh, banter

1. Pieces of chaff or straw that fall from hay.
   干草屑從干草中撒落出來的草屑或麥秸
2. We have to sift through the application forms very carefully to separate the wheat from the chaff.
   我們得把申請書仔細(xì)篩選一下以甄別優(yōu)劣。
3. The girl is winnowing the chaff from the corn.
   那個(gè)女孩正在簸去谷殼。

chaff

n.（名詞）
Botany Thin, dry bracts or scales, especially:
【植物學(xué)】 殼：薄而干的苞葉或鱗片，尤指：
The dry bracts enclosing mature grains of wheat and some other cereal grasses, removed during threshing.
谷殼：包在成熟小麥粒和其他一些作物粒上的干殼，在脫粒時(shí)被除去
The scales or bracts borne on the receptacle among the small, individual flowers of many plants in the composite family.
膜片：許多菊科植物單朵小花的花托上長的鱗片或苞葉
Finely cut straw or hay used as fodder.
草料：切碎的用作飼料的稻草或干草
Trivial or worthless matter.
廢物：瑣屑或無價(jià)值的東西
Strips of metal, foil, or glass fiber with a metal content, cut into various lengths and having varying frequency responses, that are used to reflect electromagnetic energy as a radar countermeasure. These materials, usually dropped from aircraft, also can be deployed from shells or rockets.
金屬箔：含有金屬成分的一些金屬片、箔片或玻璃纖維，切割成不同長度并具有不同的反射頻率，以反射電磁能來干擾雷達(dá)。這些材料通常由飛機(jī)上投下，也可布置于炮彈或火箭上

來源：
Middle English chaf
中古英語 chaf
from Old English ceaf
源自 古英語 ceaf

【引伸】
chaf.fy
adj.（形容詞）

---------------另--------------
chaff
chaff 2

v.（動(dòng)詞）
chaffed,chaff.ing,chaffs
v.tr.（及物動(dòng)詞）
To make fun of in a good-natured way; tease.
打趣：善意地開玩笑；打趣
v.intr.（不及物動(dòng)詞）
To engage in playful teasing.See Synonyms at banter
開玩笑參見 banter
n.（名詞）
Good-natured teasing; banter.
戲謔：善意的取笑；戲謔

來源：
Possibly alteration of chafe
可能為 chafe的變化
or chaff
或 chaff