拉丁詞根dextra表示右手，sinista表示左手
法語adroit表示右手，gauche表示左手

dexter
Of or located on the right side.
Heraldry. Situated on or being the side of a shield on the wearer's right and the observer's left.
Obsolete. Auspicious; favorable.
adj.
1. 右側(cè)的, 右手的
2. 預(yù)兆吉利的, 幸運的
3. (盾徽)右邊的

dexterity
Skill and grace in physical movement, especially in the use of the hands; adroitness.
Mental skill or adroitness; cleverness.
n.
1. (手)靈巧, 熟練, 靈敏
2. (頭腦)敏捷; 聰慧, 機敏
3. 慣用右手

例句：
Does he have enough dexterity to cope with a job like that?
他是否靈活到能應(yīng)付那樣的工作?

dextral
Of, relating to, or located on the right side; right.
Right-handed.
Zoology. Of or relating to a gastropod shell that coils clockwise and has its aperture to the right when facing the observer with the apex upward.
adj.
1. 在右(邊)的, 向右(邊)的
2. 用右手 的, 右手的
3. (軟體動物的螺形外殼等)右旋的, 右卷的

dexterous
Skillful in the use of the hands.
Having mental skill or adroitness.
Done with dexterity.
adj.
1. 靈巧的, 巧妙的, 手巧的
2. 敏捷的
3. 慣用右手的

意思都含“身、手靈巧的”、“機敏的”
1. dexterous 指 “(身、手)靈巧的”、“敏捷的”、“熟練的”, 如:
a dexterous mechanic
一位靈敏熟練的技工。
2. adroit 指“ 不但熟巧還機智”, 如:
an adroit tennis player
一位熟練的網(wǎng)球運動員。
3. deft 指“(手)靈敏的”、“熟練的”, 特指“機敏的”, 如:
a deft surgeon
一位機敏的外科醫(yī)生。
4. handy 指 “手巧的”多用于一些小事上, 如:
She was handy with her needle.
她善長針線活。

sinister sin
Suggesting or threatening evil: a sinister smile.
Presaging trouble; ominous: sinister storm clouds.
Attended by or causing disaster or inauspicious circumstances.
On the left side; left.
Heraldry. Situated on or being the side of a shield on the wearer's left and the observer's right.
adj.
1. 不祥的; 有害的; 陰險的; 邪惡的
2.【紋章學(xué)】(盾章)左邊的
3.[古語]左的，左邊的

sinistral
Of or facing the left side.
Left-handed.
Zoology. Relating to or being a gastropod shell that has its aperture to the left when facing the observer with the apex upward.
adj.
1. 向左的, 左方的
2. 有左旋紋的(貝殼等)
3. 用左手的
n. 左撇子

adroit roit-rit-right
Dexterous; deft.
Skillful and adept under pressing conditions. See Synonyms at dexterous.
adj.熟練的, 靈巧的, 機靈的

gauche
Lacking social polish; tactless
doing or saying wrong or impolite things, especially because you do not know the right way to behave
adj.[法]
1. 不善交際; 笨拙的; 粗魯?shù)?BR>2. 左方[邊]的
3. 【數(shù)】非對稱的, 歪的, 扭的, 不可展的

例句：
He now seems gauche and uninteresting.
他顯得又笨拙又古板。