1. 清澈的：outrageous#暴乱的 | limpid#清澈的 | inert#不活泼的;迟钝的

2. 清澈透明的：placid 平静温和的 | limpid 清澈透明的 | resonant 回响的,共鸣的

3. 清澈：ingenuous 天真 | limpid 清澈 | vapid 索然无味

4. 清澈见底：青山不断 green hill rode on endlessly | 清澈见底 limpid | 曲折 tortuous

1. 清澈的；透明的
If you say that something is limpid, you mean that it is very clear and transparent.

e.g. ...limpid blue eyes.
清澈的蓝眼睛
e.g. ...limpid rock-pools.
清澄的岩石区潮水潭

2. 清晰的；畅达的
If you describe speech, writing, or music as limpid, you like it because it is clear, simple and flowing.

e.g. He thought the speech a model of its kind, limpid and unaffected.
他认为这一演讲堪称典范，简洁流畅，清新自然。