gone over with a fine tooth comb
仔细检查了一遍
以上为机器翻译结果，长、整句建议使用 人工翻译 。
"If you look at a device like the BlackBerry, I know the U.S. government has gone over that with a fine-tooth comb, and that makes me feel good, " said Mr. Wysopal.
WSJ: T-Mobile in Talks for New Phone
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