水库: reservoir...
打扮: to decorate, to dress, to make up, to adorn, manner of dressing, style of dress...
索性: you might as well (do it), simply, just...
商贩: trader, peddler...
撞: to knock against, to bump into, to run into, to meet by accident...
背面: the back, the reverse side, the wrong side...
对峙: to stand opposite, to confront, confrontation...
侥幸: luckily, by a fluke...
气: gas, air, smell, weather, to make angry, to annoy, to get angry, vital energy, qi...
礼品: gift, present...