萧瑟的英文：
rustle in the air

参考例句：

The days were dry and lowering, and the wind blew in sharp, cold gusts.
连日来天气干燥而阴沉，秋风萧瑟，寒气袭人。

The days were dry and lowering, and the wind blew in sharp, cold gusts
连日来天气干燥而阴沉，秋风萧瑟，寒气袭人。

A red dress brings warmth and cheer to the saddest winter day.
一件红衣服在最萧瑟的冬日也能给人带来温暖和振奋。

There were the echoes of nostalgia I heard in the crying strings of wild geese winging south against a bleak, autumn sky
还有，秋风萧瑟的天空，一行行鸿雁振翅南飞，叫声不绝，我从中听到了思乡的回音。

rustle是什么意思：
v. （使）发出沙沙声
n. 沙沙声

silken rustling
绸衣的簌簌声

The leaves rustled in the wind.
树叶在风中沙沙作响。

She rustled her papers impatiently.
她不耐烦地把文件翻得沙沙作响。

the leaves of the myrtle and olive trees waved and rustled in the wind
杏桃木和橄榄树的叶子在风中摆动，索索作响。

She was a netle in which the rustle of the cassock was visible
她是一棵受过僧衣挨蹭的荨麻。

air是什么意思：
n. 空气；大气；天空；空间；微风；样子；神态；气氛
v. 晾；通风；广播

There was not a breath in the air.
一丝风也没有。

a nip in the air
空气中有一种刺肤的寒冷

To fish in the air
海底捞月

Clean the air intakes regularly for sufficient air flow
定期清理进风口以保证有足够的空气流量

The switch hovered in the air.
鞭子在空中摇晃。