sap
sap1
noun
[mass noun]
sapless
adjective
语源
sap2
noun
sap3
noun
sap4
(N. Amer. informal)(北美，非正式)
noun
noun
[mass noun]
- the fluid, chiefly water with dissolved sugars and mineral salts, which circulates in the vascular system of a plant
（植物的）汁，液
■(figurative)vigour or energy, especially sexual vitality
(喻)元气，活力（尤指性活力）
the hot, heady days of youth when the sap was rising.
朝气蓬勃、年轻气盛的日子。
- [with obj.]gradually weaken or destroy (a person's strength or power)
逐渐削弱（力量，权力）；破坏；消耗，使伤元气
our energy is being sapped by bureaucrats and politicians.
我们的精力正在被官僚主义者和政客逐渐消耗掉。
■(sap someone of)drain someone of (strength or power)
消耗某人的（力量)，使逐渐丧失（权力）
her illness had sapped her of energy and life.
疾病耗尽了她的精力和活力。
sapless
adjective
语源
- Old English sæp, probably of Germanic origin. The verb (dating from the mid 18th cent.) is often interpreted as a figurative use of the notion ‘drain the sap from’, but is derived originally from the verb sap, in the sense 'undermine'
sap2
noun
- (historical)a tunnel or trench to conceal an assailant's approach to a fortified place
(史)（用以偷袭设防场所的）坑道，地道
- [no obj.](historical)dig a sap or saps
(史)挖坑道
■[with obj.](archaic)make insecure by removing the foundations of
(古)破坏…的基础，侵蚀…的基础
a crazy building, sapped and undermined by the rats.
一幢遭到老鼠挖洞破坏的摇摇欲坠的房子。
■[with obj.][often as noun sapping](Geography)undercut by water or glacial action
(地理)（水或冰川作用）逐渐侵蚀
- late 16th cent. (as a verb in the sense 'dig a sap or covered trench'): from French saper, from Italian zappare, from zappa 'spade, spadework', probably from Arabic sarab 'underground passage', or sabora 'probe a wound, explore'
sap3
noun
- (informal, chiefly N. Amer.)a foolish and gullible person
(非正式，主北美)笨蛋，傻瓜
He fell for it! What a sap!.
他上当了！真是个笨蛋！。
- early 19th cent.: abbreviation of dialect sapskull 'person with a head like sapwood', from sap (in the sense 'sapwood') + skull
sap4
(N. Amer. informal)(北美，非正式)
noun
- a bludgeon or club
大头短棒，棍棒
- [with obj.]hit with a bludgeon or club
用大头短棒击，用棍棒打
- late 19th cent. (as a noun): abbreviation of sapling (from which such a club was originally made)
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