He is clearly attuned to the problem, even if he has slipped towards describing the plight of "the 99%" as opposed to the "middle".

虽然他将中产视为“the 99% ”困境的对立面，他依然深悉这个问题。

youdao

If he hadn't slipped up on the last question, his score, score on the test would have been perfect.

若不是最后一题做错了，他这次考试就得满分了。

youdao

The doctors were encouraged that, when he spoke about his mother, his expressionless mask slipped slightly, and he looked as if he was struggling not to cry.

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And while he occasionally slipped up and went too highbrow (remember when he asked Iowa farmers if they had seen the price of arugula at Whole Foods?), voters embraced his lofty rhetoric and ideals of hope and change.

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He took all the drawers out to see if the medal had slipped to the side, if it was standing on its edge on one of the plywood slats that held the drawers in place.

NEWYORKER: The Dog