puzzle over
phrasal verbpuzzle over something
- to think hard about something in order to understand or explain it
苦苦思索；仔细琢磨 - Karen puzzled over the question all evening.
凯伦整个晚上都对这个问题感到困惑。
- Karen puzzled over the question all evening.
| 单词 | puzzle-over |
| 释义 | puzzle overphrasal verbpuzzle over something
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