break hiking hut pause search watch out watching curiosity dog fun looking out outside watching out window anxious back beware danger guard look back lookout mammal meerkat on-guard rodent sit sitting surikat uneasy watch worried worry african alert animal animals be careful crossing observant observe painted dog sign warning wild wild dog wildlife zoo announcement black car care careful cars caution communicating communication drivers informing pedestrians safety security vehicles watch-out yellow brown white be-careful red boom boomgate information road road-users blocked blocked-path detour directing direction go-around advice cautious conditions dangerous large-vehicles look-out risk risks road-conditions road-train rural-area semi-trailers signage slow-down speed speed-reduction symbol text traffic trailers transport transportation trucking trucks warning-sign words