Clear to the bottom describes water that is translucent and pure, and you can see the bottom of the water.
Turbid (water, air, etc.) contains impurities and is not clean or clear.
Justified: Reasonable and sufficient; Qizhuang: Strong momentum. If the reasons are sufficient, the words will be strong.
Li Qu Ci Qian Qu: short, loss; Qian: exhausted. I have nothing to say because I am wrong.