to prevent; to guard against; to take precautions[cedict]
划艇
huá tǐngㄏㄨㄚˊ ㄊㄧㄥˇ
rowing boat; racing row-boat[cedict]
面对
miàn duìㄇㄧㄢˋ ㄉㄨㄟˋ
confront; face[cedict]
上
shàngㄕㄤˋ
on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]