in-
(forming compound ns 用以构成复合名词)
1 (infml 口) popular and fashionable 流行和时髦
It's the in-thing to do at the moment. 这是目前最时兴的做法了.
the in-place to go 大家一时爱去的地方.
2 shared by or appealing to a small group （小圈子内）分享的或感兴趣的
an in-joke 一则内部笑话. in- (also im-), pref 前缀
1 (with vs forming ns and vs 与动词结合构成名词和动词) in; on 在内; 向内; 在上: intake * imprint.
2 (with ns forming vs 与名词结合构成动词) put into a certain state or condition 置於某状态或条件中: inflame
imperil. in- (also il-, im-, ir-), pref 前缀 (forming adjs, advs and ns 用以构成形容词、 副词、 名词) not 不; 非; 无: infinite
illogical * immorally
irrelevance. =>Usage at un- 用法见un.