I'm a firm believer in having a little bit of a butterfly body roll as well, but not so much that it starts to look like your swimming half breaststroke and half butterfly.

我一直坚持蛙泳是也该有一些蝶泳的波浪，但不能过大，那样看起来你的蛙泳显得不伦不类：半蛙半蝶的样子。

youdao

I'm a firm believer in having a little bit of a butterfly body roll as well, but not so much that it starts to look like your swimming half breaststroke and half butterfly.

我一直坚持蛙泳是也该有一些蝶泳的波浪，但不能过大，那样看起来你的蛙泳显得不伦不类：半蛙半蝶的样子。

youdao