clear 清澈的 clear water
显然的 it is clear to us all that
头脑锐利的 clear mind
清除了的 The road is clear of snow now
清白的 确信的+about 净赚的+money

做副词 清晰明了 Speake loud and clear
完全地 一直地 the ship sank clear to the bottom of the sea

clearly
明确地,清楚地
He spoke so clearly that I could hear every word.
显然地,无疑地
He was clearly mistaken
明亮地 明净地
当两者均可表示“清晰地”、“不模糊地”，有时可换用，但是若其前有修饰语，则只能用clearly。如：He spoke loud(ly) and clear(ly). 他说得既宏亮又清楚。He spoke quite [very] clearly. 他说得很清楚。I saw all that quite clearly. 这一切我都看得很清楚。Speak clearly so that they may understand you. 说得慢一些以便他们能听懂你的话。