mass noun
1- the capacity to have an effect on the character, development, or behaviour of someone or something, or the effect itself影响; 作用：
the influence of television violence
电视暴力的影响
I was still under the influence of my parents
我仍受父母的影响
count noun their friends are having a bad influence on them.他们的朋友对他们有坏影响。
1.1
- the power to shape policy or ensure favourable treatment from someone, especially through status, contacts, or wealth势力, 权势：
the institute has considerable influence with teachers.
该机构对教师有相当大的影响。
1.2
- count noun a person or thing with such a capacity or power具影响（或权势）的人（或事物）：
Fiona was a good influence on her.
菲奥纳对她影响很大。
1.3
- Physics, archaic electrical or magnetic induction【物理】〈古〉电感应; 磁感应。
with obj.
- have an influence on影响; 对…起作用：
social forces influencing criminal behaviour.
影响犯罪行为的社会力量。
短语
under the influence
- informal affected by alcoholic drink; drunk〈非正式〉受酒精饮料影响的, 喝醉的：
he was charged with driving under the influence.
他因酒后驾驶受到起诉。
派生词
influenceable
adjectiveinfluencer
noun词源
late Middle English: from Old French, or from medieval Latin influentia 'inflow', from Latin influere, from in- 'into' + fluere 'to flow'. The word originally had the general sense 'an influx, flowing matter', also specifically (in astrology) 'the flowing in of ethereal fluid (affecting human destiny)'. The sense 'imperceptible or indirect action exerted to cause changes' was established in Scholastic Latin by the 13th cent., but not recorded in English until the late 16th cent.