乍暖还寒

[成语]
zhà nuǎn hái hán

[含义]
形容冬末春初气侯忽冷忽热，冷热不定。

[来源]
宋·李清照《声声慢》词：“寻寻觅觅，冷冷清清，凄凄惨惨戚戚。乍暖还寒时候，最难将息。”宋 ·刘清夫《玉楼春》词：“柳梢绿小眉如印。乍暖还寒犹未定。”


[英文]
after suddenly getting warmer , the weather has turned cold again