hand signals造句

We have perfected a set of hand signals so that he can tell me when it is dangerous.

Players smack their fists into their palms and count to three before making one of three hand signals: a fist (rock), flat hand (paper) or two fingers (scissors).

I tried hand signals in concert with the map, which resulted in circular hand motions resembling the highway spaghetti we'd been wallowing in for the past 15 minutes. No help whatsoever.