标准: (an official) standard, norm, criterion...
心安理得: to have a clear conscience, to have no qualms about sth...
湖: lake...
郊游: to go for an outing, to go on an excursion...
片面: unilateral, one-sided...
权衡: to consider, to weigh (a matter), to balance (pros and cons)...
收回: to regain, to retake, to take back, to withdraw, to revoke...
红薯: sweet potato...
冲: powerful, vigorous, pungent, towards, in view of...
床位: bed (in hospital, hotel, train etc), berth, bunk...
