adj.精明的 [astute or sharp in practical matters]
ex. a shrewd dealer knows how to make the best sell.
ex. a shrewd investment.
ex. a shrewd political brain.
ps. shrew n.潑婦 ，原本的字源是指惡徒的意思，而後shrewd有發展成cunning的意思，到今日，shrewd的使用上已經沒有負面的意含了。
What does Shrewd mean? by Rick Lawrence
v.尖叫 [a high-pitched scream or cry often made when angry, scared or in pain.]
ex. 看到鬼了>""<, she shrieked and run away.
ex. a shriek that spread over the rooftops.
ps. Shrek 史瑞克, The name "Shrek" is derived from the German and Yiddish word "Schreck"/"Shreck", literally meaning "Fear" or "Terror."
ps. shriek與 Shrek 的字源並不是相同的，但可以方便記憶。
n. [any place that is regarded as holy because of its associations with a special person or event]
etymology: comes from the Latin scrinium meaning "case or box for keeping papers.
ps. enshrine v. [to enclose in or as in a shrine]
v.收縮 [become smaller]
ex. This cloth will shrink if washed in hot water.
ex. Car sales have been shrinking
ex. Market is shrinking.
Alice in Wonderland Growth and Shrinking Scene
n. [a cloth or sheet in which a corpse is wrapped for burial.]
v. [to cover; hide from view.]
ex. previously shrouded aspects of U.S. history.
ex. Ministers are as keen as ever to wrap their activities in a shroud of secrecy.
ps. Shroud of Turin (耶穌的Shroud?) wiki上有圖，可以去看。
n.灌木 wiki::A shrub is distinguished from a tree by its multiple stems and shorter height, usually under 6 m (20 ft) tall.
ps. bush n. 比較矮一點(像薰衣草那種)的灌木.
ps. scrub (p.422) n.發育不良的矮樹叢
How to Trim Shrubs and Prune Hedges
v.聳肩 [to raise the shoulders in an expression of doubt, rejection or indifference, etc...]
ex. He shrugs and says "I don't know.".
ex. try to shrug off the worst recession in living memory.
n. [shell, husk]
v.顫抖 [to tremble with a sudden convulsive movement, as from horror, fear, or cold.]
ex. to fix my sister's computer makes me shudder...
ex. I shudder to think of the problems ahead of us.
ex. Bloggers often display postings that would make party censors shudder.
ps. quiver (p.389), tremble
v. [to avoid deliberately]
ex. to shun TV exposure
ex. to shun being photographed, or being tagged on Facebook.
ps. synonym:: avoid, eschew(p.183)
ps. 有點像中文發音的閃，又有點像日文發音 しゅん
(電機) to shunt the electric current. 另外也可以稱有這種功能的device 為 a shunt.
(火車) 換軌 [to move (a railway locomotive, wagons, etc) from one track to another]
(醫學) a channel through which blood or other bodily fluid is diverted from its normal path by surgical reconstruction or by a synthetic tube. 當名詞時 to divert blood or other fluid by means of a shunt.
adj. [like or produced with a hissing sound]
ex. a sibilant whisper.
ex. the sibilant noise of steam escaping
[s] [z] [ʃ] [tʃ] [dʒ] [ʒ]. (The sounds [tʃ] [dʒ], as in chip and Jeep, are affricates; the rest are fricatives.)
North American English Pronunciation - sibilants /s/ /z/ /S/ and /Z/
n.兄弟姊妹 [ any one of two or more people with the same parents; brother or sister ]
ex. have two brothers and a sister: three siblings in all.
ex. (New York times) Older siblings lied about their age to get work, so at least the younger ones could get a proper education.
n. [ any of certain women consulted as prophetesses by the ancient Greeks and Romans ]
ps. see ball的女人
米開朗基羅的畫：： Delphic Sibyl 特爾斐的女預言家的
adj. [of, relating to, or involving the stars]
ex. 天文學上的Sidereal Time
ps. consider v.考慮，也跟star有點關聯唷。
Astronomy 101: Solar vs. Sidereal Time