There are glimpses of blue-green ice within the fissures, but the cracks themselves signal trouble.

在石块的裂隙中可以看到一些蓝绿色的冰块，然而这些裂隙本身就预示着麻烦。

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But analysts say the growth in problem prime loans could signal trouble for the much larger "conforming" prime loan market.

但分析师指出，优质贷款中问题贷款比例的增加，可能暗示着规模大得多的“合规”优质贷款市场即将出现麻烦。

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The coastguard received a signal saying the ship had engine trouble and that it had run aground just off the island of Sibuyan.

菲海上警卫队曾收到这艘船的信号，说她的引擎出现问题，正漂流在布延岛海岸。

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The spike in Portuguese bond yields could signal trouble for Europe.

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But his sideline antics, which got him ejected from a game against Louisville, and the transfer of talented forward Gil Biruta after last season began to signal trouble.

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Why does the interloper effect signal trouble?

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