Now, doctor, I shall take the liberty of administering a dose myself, on my own responsibility.

现在，医生，我要冒昧地亲自服用一剂，由我自己负责。

A maniac's fury kindled under her brows; she struggled desperately to disengage herself from Linton's arms. I felt no inclination to tarry the event; and, resolving to seek medical aid on my own responsibility, I quitted the chamber.

疯子的怒火在她眉下爆发起来了。她拚命挣扎着，想从林惇先生的胳臂里挣脱出来。我无意等着出乱子，决定自作主张：去找医生来帮忙，就离开这卧房了。