a
(also an ) indef art (The form a is used before consonant sounds and the form an before vowel sounds. Both are used before [C], [Cgp]
or [sing] ns that have not previously been made specific. a用於辅音前, an用於元音前. 两者均用於前文未曾确指的可数单数名词或集合名词之前.)
1 one 一（个）: a man, hotel, girl, committee, unit, U-turn （一个）男人, 旅馆, 姑娘, 委员会, 单位, U形转弯 (Cf 参看 some men, hotels, girls, etc)
阅读全文a-
pref 前缀
1 (with ns, adjs and advs 与名词, 形容词, 副词结合) not; without 不; 无; 非: atheist
atypical * asexually. =>Usage at un- 用法见un-.
阅读全文a few
indef pron
1 a small number of people, things, places, etc; some 少数的人、 物、 地方等; 一些.
(a) (referring back 用以复指前文)
阅读全文a fifth column
organized group of people working for the enemy within a country at war 第五纵队（战时在国内为敌人工作的组织）.
阅读全文a fortiori
(Latin 拉) for this stronger reason 因为这一更充分理由; 更加
If he can afford a luxury yacht, then a fortiori he can afford to pay his debts. 他若能买得起豪华的快艇, 就更能匀出钱来还债了.
阅读全文a gentleman´s agreement
agreement that cannot be enforced by law but depends on the mutual trust and good faith of those involved 君子协定; 绅士协定.
阅读全文a la carte
(of a restaurant meal) ordered as separate items from a menu, not at a fixed price for the complete meal （指饭馆的饭菜）按菜单分别点菜的（而非定价套餐）
We only have an a la carte menu. 我们只有分类菜单. Cf 参看 table d´hote.
阅读全文a la mode
1 fashionable 时髦的; 流行的.
2 (US) (of food) served with ice-cream （指食物）加上冰激凌的
apple pie a la mode 苹果饼加冰激凌.
阅读全文A level
(infml 口) = advanced level (advance)
When are you taking A level/your A levels? 你什么时候参加（英国普通教育文凭的）高级考试?
How many A levels have you got? 你在（英国普通教育文凭的）高级考试中有几项及格? Cf 参看 O level, GCSE.
阅读全文a little
indef pron
1 a small amount of sth; some but not much 少量; 些微; 稍许.
(a) (referring back 用以复指前文)
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