严密❶tight;close
❷compact;well-knit
组织～be well-organized /～防范take strict precautions against/～封锁 impose a tight blockade/～管理meticulous management /～规章制度tighten up the rules and regulations/～监视put under close surveillance;keep close watch over/～控制 put under tight control/～注视国际局势的发展closely follow the development of world events/～的计划a carefully thought-out plan/～的组织tightly organized group/～的统一体a closeknit body |