紧张 jinzhang = nervous

use your hand又(you4) to grab 2 sticks丨丨(gun3) and bind them tight together with a small小(xiao3) silk thread幺(yao1) = 紧jin3 TIGHT

 

long长(zhang3)+bow弓(gong1)=  STRETCHED OUT WIDE like a longbow张jin3. 

TIGHT紧jin+STRETCHED张zhang=NERVOUS 紧张jin3zhang1

 

 

设备     Shèbèi     equipment
屋里     wū li     In the house
操作手法    cāozuò shǒufǎ     Manipulation
没有必要    méiyǒu bìyào     no need
易软件    yì ruǎnjiàn     Easy Software
价格    jiàgé     price
报单量    bàodān liàng    Order volume