棵: classifier for trees, cabbages, plants etc...
建议: to propose, to suggest, to recommend, proposal, suggestion, recommendation...
口水: saliva...
路灯: street lamp, street light...
绝招: unique skill, unexpected tricky move (as a last resort), masterstroke, finishing blow...
前沿: front-line, forward position, outpost, extending ahead, frontier (of science, technology etc)...
去向: the position of sth, whereabouts...
够呛: unbearable, terrible, enough, unlikely...
沿海: coastal...
笨重: heavy, cumbersome, unwieldy...