危及: to endanger, to jeopardize, a danger (to life, national security etc)...
核桃: walnut...
收养: to take in and care for (an elderly person, a dog etc), to adopt (a child), adoption...
采取: to adopt or carry out (measures, policies, course of action), to take...
半信半疑: half doubting, dubious, skeptical...
改造: to transform, to reform, to remodel, to remold...
项: back of neck, item, thing, term (in a mathematical formula), sum (of money), classifier for principles, items, clauses, tasks, research projects etc...
