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vagile walk w-v g-k
Characterized by vagility; able to move about or disperse in a given environment
adj. 漫游的

extravagant
Given to lavish or imprudent expenditure: extravagant members of the imperial court.
Exceeding reasonable bounds: extravagant demands. See Synonyms at excessive.
Extremely abundant; profuse: extravagant vegetation.
Unreasonably high; exorbitant: extravagant fees.
Archaic. Straying beyond limits or bounds; wandering
adj.
1. 奢侈的, 浪费的
2. 过度的, 过分的
3. 放肆的; 越轨的
4. [古]游荡的

例句：
He has some extravagant expectations.
他抱有奢望。

vagary
An extravagant or erratic notion or action.
n. 奇想；奇特行为;狂妄古怪[反复无常]的行为; 狂[妄]想; 变幻莫测

vagrant
One who wanders from place to place without a permanent home or a means of livelihood.
A wanderer; a rover.
One who lives on the streets and constitutes a public nuisance.
Wandering from place to place and lacking any means of support.
Wayward; unrestrained: a vagrant impulse.
Moving in a random fashion; not fixed in place
adj. 流浪的；漂泊的；游荡的
n. 游民；流浪者；无赖；漂泊者

vagabond gerundive suffix -bundus
A person without a permanent home who moves from place to place.
A vagrant; a tramp.
A wanderer; a rover.
Of, relating to, or characteristic of a wanderer; nomadic.
Aimless; drifting.
Irregular in course or behavior; unpredictable.
To lead the life of a vagabond; roam about.
n. 流浪者; [口]流氓, 无赖, 浪荡子
adj.流浪的; 懒散的, 无赖的
vi. [口]流浪

例句：
They are living a vagabond life.
他们过着流浪的生活。
The vagabonds were banished from the train station.
流浪乞讨者被逐出了火车站。

vague
Not clearly expressed; inexplicit.
Not thinking or expressing oneself clearly.
Lacking definite shape, form, or character; indistinct: saw a vague outline of a building through the fog.
Not clear in meaning or application. See Synonyms at ambiguous.
Indistinctly felt, perceived, understood, or recalled; hazy
adj.
1. 含糊的, 暧昧的; 不明确的
2. 无表情的; 发呆的, 茫然的

例句：
Everything looked vague in the heavy fog.
在浓雾中,一切东西看上去都很模糊。
You should not make vague promises.
你不该作含糊不清的承诺。

趣味单词

ferment 发馒头
Something, such as a yeast, bacterium, mold, or enzyme, that causes fermentation.
Fermentation.
A state of agitation or of turbulent change or development. An agent that precipitates or is capable of precipitating such a state; a catalyst.
To produce by or as if by fermentation.
To cause to undergo fermentation.
To make turbulent; excite or agitate.
To undergo fermentation.
To be in an excited or agitated state; seethe.
n.
1. 发酵, 酵母, 酵素
2. 激动; 纷扰
vt.
1. (使)发酵
2. (使)激动, 骚动; 鼓励, 酝酿
vi.发酵

例句：
When wine is fermented, it gives off bubbles of gas.
酒发酵时发出气泡。
His speeches fermented trouble among the work force.
他的讲话在工人中引起骚动。