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misty, fine or drizzling rain
煙雨に包まれた山々が幻想的だった。
The mountains shrouded in misty rain were fantastical.
煙雨の中を小舟がゆっくりと進む。
A small boat slowly makes its way through the misty rain.
春の煙雨が古都の風情を引き立てる。
The spring drizzle enhances the charm of the old capital.