电梯中暗藏隐患 乘坐时需谨慎

toddler: a child who has only recently learnt to walk 学步的儿童；刚学会走路的孩子
tug: a sudden hard pull （突然的）猛拉，猛拽
sandal: a type of light open shoe that is worn in warm weather. The top part consists of leather bands that attach the sole to your foot. 凉鞋
shred: to cut or tear something into small pieces 切碎；撕碎
tendon: a strong band of tissue in the body that joins a muscle to a bone 腱
sever: to cut something into two pieces; to cut something off something 切开；割断；切下；割下
gape: to be or become wide open 张开；裂开；豁开
I can't emphasis: 这是一个句型，意思是"再怎么强调都不为多"，通常也可以在句尾加上too much