11.   One of them had jaundice, a yellowing of the skin that signals liver trouble, according to the meeting minutes.

12.   That can signal real trouble.

13.   That reluctance may signal trouble ahead for carmakers, Lazarony said.

14.   The note-passing incident also could signal trouble for another juror if two other jurors had told the judge they witnessed the event.

15.   There are Public Announcements as well, which signal short-term trouble in various parts of the world.

16.   These tiny devices could collect precise data on oxygen and carbon-dioxide levels and signal any trouble.

17.   U.S. stocks are expected to fall after weaker-than-expected earnings from Motorola Inc. signaled trouble in the semiconductor industry.

18.   When the line points down, as it has for some time, it usually signals trouble.

19.   Alcohol and cigarettes are ever-present -- a fact that may signal trouble down the road.

20.   High levels upstream signal more trouble ahead for downstream dikes that already are weakened and waterlogged.