煞風景

From Li Shangyin's personal notes about such behaviours:

煞風景：花間喝道、看花淚下、苔上鋪席、斫卻垂楊、花下曬裩、遊春重載、石筍繫馬、月下把火、妓筵說俗事、果園種菜、背山起樓、花架下養雞鴨、步行將軍、清泉濯足、焚琴煮鶴、對花啜茶。 [Classical Chinese, trad.]

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煞风景：花间喝道、看花泪下、苔上铺席、斫却垂杨、花下晒裩、游春重载、石笋系马、月下把火、妓筵说俗事、果园种菜、背山起楼、花架下养鸡鸭、步行将军、清泉濯足、焚琴煮鹤、对花啜茶。 [Classical Chinese, simp.]

From: Li Shangyin, Yishan's notes (義山雜纂)

Shàfēngjǐng: huājiān hē dào, kàn huā lèi xià, tái shàng pū xí, zhuó què chuí yáng, huā xià shài kūn, yóu chūn zhòng zǎi, shísǔn jì mǎ, yuè xià bǎ huǒ, jì yán shuō sú shì, guǒyuán zhǒng cài, bèi shān qǐlóu, huājià xià yǎng jī yā, bùxíng jiāngjūn, qīngquán zhuó zú, fénqínzhǔhè, duì huā chuò chá. [Pinyin]

(Behaviours that) spoil beautiful sceneries: Shouting while amongst flowers, shedding tears while looking at flowers, laying one's sleeping mat on moss, chopping down willow trees, hanging one's trousers to dry under flowers, taking along too much baggage on a spring outing, tying one's horse to a stalagmite, lighting torches under the moon, speaking of trivial matters while at a banquet featuring female entertainers, planting vegetables in a fruit orchard, putting up a multi-story building with its back to the mountains (and thus spoiling the view), raising chickens and ducks under a flower trellis, a military general walking, washing one's feet in a clear spring, burning qins and cooking cranes, sipping tea (but not wine) while viewing flowers.

煞風景

1. to damage the beautiful scenery
2. (figurative) to spoil the fun; to be a wet blanket