complete loss的用法和樣例：
例句
- Any of a group of eye diseases characterized by abnormally high intraocular fluid pressure,damaged optic disk,hardening of the eyeball,and partial to complete loss of vision.
青光眼一種眼疾，癥狀是眼內液體壓力超常的高，眼膜受損，眼球硬化，部分以至完全喪失視力。 - We are in complete ignorance of his plans.
我們對他的計劃一無所知。 - I am at a loss respecting his whereabouts.
關於他的下落，我一無所知。
