see bad weather ahead;see that the situation is pretty hot for (/unfavourable to) sb; see that things have gone wrong; sense trouble
? 他們～，拔腿就跑。They sensed trouble and immediately took to their heels.
見勢不妙jiàn shì bù miào
看到形勢不好，對自己不利。seeing that matters are a bad way, see bad weather ahead, find the situation unfavourable