a single grain of rice can tip the scale

英语翻译The universe,they say,can be seen in a grain of sand,and A Grain Of Sand on the tip of tip of the day, in the tip of on a scale of i took the news with a grain of salt with a grain of salt a speech at the tip of her tongue啥意思? a tip of the cap 是不是提示的意思? 求a tip of the iceberge的意思? the skin of grain还是the skin to grain