She did not like the motion of mr. helton taking it on himself to correct her little boys, but she was afraid to ask them for reasons . 她不喜欢希尔顿先生擅自教训她的小孩，可是她又不敢问到底是怎么回事。
A private fear had haunted me that in thus acting for myself, and by my own guidance, i ran the risk of getting into some scrape . 我心里老是暗暗感到害怕，生怕我这样自作主张，擅自行事，会有自投罗网的危险。
Who are they to tamper with the rules of the game 他们凭什么擅自修改比赛规则？
So i sold some stores without your permission 所以未经您同意就擅自卖了一些店面
Restrict to go outside without employer ' s permission 未经雇主准许，切勿擅自出外。
Unauthorized destruction of archives shall be prohibited 禁止擅自销毁档案。
The holder does not lend or attorn card 持卡者不能擅自转借、让、换会员卡。
The children entered the concert without permission 小朋友擅自进入音乐会。
The records of the meeting had been tampered with 会议记录已被人擅自改动
We ' re not allowed in unless it ' s an emergency 除非有紧急情况，否则，我们不能擅自进来
