That's a great drawing of your girlfriend, but you should emphasize the nose a bit more.
你的女友这张画像很漂亮,但你应该把她的鼻子再勾画一下。
They made no effort to hide their amusement whenever I produced a packet of sweets from my pocket.
每当我从口袋里掏出一包糖果时,他们都毫不掩饰地表现出他们对此感到非常好笑。