one swallow does not make a summer meaning in Chinese
讲礼貌不吃亏
一花独放不是春, 一燕不成夏，不过这个是英文谚语
一燕不成一夏
Examples
- One swallow does not make a summer .
一只燕子不能造成夏季。 - One swallow does not make a summer .
一燕不成夏。 - One swallow does not make a summer
一只燕不表示夏天到了。 /勿以偏概全。 - One swallow does not make a summer
谚一燕不成夏。 - One swallow does not make a summer
一燕飞来不成夏