1.   To juxtapose such sequences in natural conversational contexts, participants must be sensitive to what to the outsider may appear as quite subtle perceptual cues.

2.   He can read subtle cues and sense underlying currents of opinion that elude less perceptive people.

3.   There are no special effects beyond some subtle lighting cues.

4.   To help your little one fall asleep at the right time, try to catch her more subtle cues of sleepiness.

5.   While the boss in the movie is obviously obnoxious, real-life job hunters can sometimes miss more subtle cues in job interviews.