She set her teeth when she thought of Arthur.

一想到亚瑟， 她就咬牙切齿。

She set her teeth; she showed them like a dog for the whole length of her mouth.

她咬紧牙关； 她像一条狗一样把它们展示给她的整个嘴巴。

She caught at Frederick's arm, and clutched it tight, while a stern thought compressed her brows, and caused her to set her teeth.

她抓住弗雷德里克的胳膊， 紧紧地抓住它， 同时一个严厉的想法使她皱起眉头， 使她咬紧牙关。

She had been setting her teeth and clenching her fists for a terrible blast of lion's breath; but the breath had really been so gentle that she had not even noticed the moment at which she left the earth.

她本来一直咬紧牙关，握紧拳头，准备承受狮子那口气的可怕威力，但这口气其实十分柔和，她甚至没注意到自己离开地面的那一时刻。