I noticed that through the first circular orifice Raffles thrust a forefinger; then, as the circle became an ever-lengthening oval, he got his hand through up to the thumb; and I heard him swear softly to himself.

我注意到莱佛士从第一个圆孔中伸出了一根食指；然后，当圆圈变成一个越来越长的椭圆形时，他的手一直伸到拇指。我听到他轻声地对自己发誓。