栋: classifier for houses or buildings, ridgepole (old)...
艰难: difficult, hard, challenging...
相识: to get to know each other, acquaintance...
制服: to subdue, to check, to bring under control, (in former times) what one is allowed to wear depending on social status, uniform (army, party, school etc), livery (for company employees)...
出游: to go on a tour, to have an outing...
主题: theme, subject...
袭击: attack (esp. surprise attack), raid, to attack...
有两下子: to have real skill, to know one's stuff...
传: to conduct, to express, to be contagious, to summon...
弯: to bend, bent, a bend, a turn (in the road etc)...