To appear or arise unexpectedly or suddenly.
突然出現(xiàn)：出其不意地突然出現(xiàn)或顯現(xiàn)
make rapid bodily movements up and down and from side to side, for example as an evasive tactic by a boxer
身體左擋右閃
try to catch floating or hanging apples with one's mouth alone, as a game
咬蘋果游戲（用嘴巴咬住浮動或懸掛著的蘋果的游戲）