For动介高频词组辨析
1、allow for考虑到，估计到
近义词组：take into consideration; take into account
2、answer for 对…负责
近义词组：undertake responsibility for; be liable for; take charge for
3、have an ear for 对……有鉴赏力
近义词组：have keen recognition of
On动介高频词组辨析
on one's own account
1）为了某人的缘故，为了某人自己的利益
2）自行负责 =at one‘s own risk
3）依靠自己 =by oneself
on account 赊账
on account of 因为
on no account 不论什么原因也不（置于句首，要求主谓倒装）
act on 奉行，按照…行动
act as 扮演
act for 代理