忠实: faithful...
使命: mission, long-term task to which one devotes oneself, a calling...
多边: multilateral...
授权: to authorize...
药水: medicine in liquid form, bottled medicine, lotion...
就近: nearby, in a close neighborhood...
她: she...
改: to change, to alter, to transform, to correct...
伤脑筋: to be a real headache, to find sth a real headache, to beat one's brains...
雇: to employ, to hire, to rent...
