We must be well prepared, there must be no slips.我们必须好好准备，不能出任何差错。The action slips from comedy to melodrama and finally to tragedy.剧情从喜剧逐渐发展为情节剧，最后又演变为悲剧。There are a few trivial slips in this lesson.在这篇课文中有几个小错误....
His command of English was lamentable.他的英语水平糟得很。She shows a lamentable lack of understanding.她显得缺乏理解能力，实在令人遗憾。This lamentable state of affairs lasted until 1947.这一令人遗憾的事态一直持续至1947年。...