他是个暗敌,表面上装作是你的朋友,背地里却在诽谤你.
《现代汉英综合大词典》
When he began to play a tune, we had our first glimpse of the snake.
当他开始吹一支曲子时, 我们第一次瞥见了那条蛇.
《用法词典》
There's no snake known that will habitually attack human beings unless threatened with its life.
除非自己的生命受到了威胁,已知的蛇中还没有习惯性地攻击人类的。
《柯林斯高阶英汉双解学习词典》
