他当时未必领会了你的意思——会场太吵了，他又心不在焉。
He may not have grasped what you meant - the venue was too noisy and he was distracted at the time.
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May英 /meɪ/|美 /meɪ/
not英 /nɒt/|美 /nɑt/
解释
may 表不确定性，not 构成否定，have 与过去分词 grasped 构成完成体，表示对过去理解情况的否定推测。
He may not have grasped what you meant - the venue was too noisy and he was distracted at the time.
may 表不确定性，not 构成否定，have 与过去分词 grasped 构成完成体，表示对过去理解情况的否定推测。