slur over 口齿不清, 含糊不清, 语焉不详，避重就轻, 轻描淡写, 一笔带过

【例句】
When pressed for clarification by the reporter, the governor slurred over most of his response before declaring that he was late for a meeting.
当被这名记者进一步要求澄清的时候, 这位州长含糊不清地做出了他大部分回应然后宣布他已经迟到参加某个会议。

Don't try to slur over your weaknesses in English learning; only by facing up to them, can you win through in the end.
在英文学习中，千万不要回避自己的短处，唯有正视它们，你才能终获成功。