He used paper mache, fiberglass, pink paint and lipstick because lipstick on a pig and it's working.
他用的材料有纸、玻璃纤维、粉红漆和口红，因为猪身上要涂口红，这很管用。
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Look, I'm trying to put lipstick on a pig here.
本来我是想帮丑猪涂涂口红看你能不能变俏的。
英语百科
Lipstick on a pig
To put "lipstick on a pig" is a rhetorical expression, used to convey the message that making superficial or cosmetic changes is a futile attempt to disguise the true nature of a product.