One swallow does not make a summer.

一燕不成夏。

《新英汉大辞典》

One flower does not make a spring; one swallow does not make a summer.

鲜花一朵还不是春天，孤燕一只不成夏天。

youdao

One swallow ;does not a summer make.

一燕不成夏。

youdao

O One swallow does not make a warm summer.

一燕不成夏。

youdao

O One swallow does not make a warm summer.

一燕不成夏。

youdao