隐藏: to hide, to conceal, to mask, to shelter, to harbor (i.e. keep sth hidden), to hide oneself, to lie low, to nestle, hidden, implicit, private, covert, recessed (lighting)...
板: to catch sight of in a doorway (old)...
懒得: not to feel like (doing sth), disinclined to...
间: gap, to separate, to thin out (seedlings), to sow discontent...
届时: when the time comes, at the scheduled time...
扇子: fan...
斗志: will to fight, fighting spirit...
比赛: competition (sports etc), match, to compete...
防治: to prevent and cure, prevention and cure...
一概: all, without any exceptions, categorically...