ohno.....i donno how to do pants alterations

haha...........i have a problem when i working loh.............the main problem is i donno how to cut the pants when customer want loh......i actually try to learn last time but i just dont like it................i have to cut the pants...........then lipat it...........that use the sewing machines to sew it.............sewing part ..........i see Bonia Permenent do it soo fast lol................5 minutes finish 1 pants loh.............if i ah i think i spoilt the pants liao.........haha i got chance must learn lol to to sew pants.......I know i studying IT and Business in college but learn some new things is actually good for me......ohya i already learn how to serve customer,how to susun all the stock.........,how to write sales memo all (have to look at pricetag colour loh......blue for Bestbuy white for Normal loh..........and most important part is the Product code.............ysterday again too free go kaipo bonia brnad de......walau loh the product coding soo difficult loh.........example 1405-65-014..........haha 1405 product code... . 65 is the colour code.........and 014 is the size(14=S ,15=M, 16=L,17=XL lol)haha my Valentino got write size=M,L de lol.........easy a bit for me.......!!ohya teach you something lah.......dont buy clothes all by looking at BRAND only.......must look at the fabric lol..........pls lah touch the clothes fabric first b4 buy.........always see Brand nia........you know some brand fabric is actually worse than Pasar Malam clothes Fabric lol..........serious loh!!!and if can afford pls buy Cotton clothes loh..........dont buy those 100% polyester de......hot that time like oven burning your body....!!haha another tips lol.......if long sleeve or short sleeve shirt .....you try touch izzit the fabric cold or not.......you will feel that 100% cotton clothes is actually feel colder than 100% microfiber/polyester(aiya nice name but still is polyester de) .......