sign/saɪn/
n.1. 记号,符号2. 身势,姿势;信号He made a sign for me to follow him.他向我示意跟着他(走)。
3. 告示;标语; 牌示,牌子The sign by the road said ‘No Parking'.路边的牌子上写着“禁止停车”。
4. 迹象;征兆;征候There are no signs of life about the house.这房子没有有人住的迹象。
5. (黄道十二宫的每一)宫 (= sign of the zodiac)