只要一有机会，那条狗就会狠咬你一口。

That dog will give you a nasty bite, given half a chance.

《牛津词典》

鲨鱼可能会扑向你攻击过的受伤的鱼，同时咬你一口。

The shark might go for the injured fish you had attacked and take a big bite of you at the same time.

youdao

除非你对狼蛛毒素过敏，否则它们对人体是无害的（尽管它们咬你一口会很痛）。

Unless you are allergic to tarantula venom, they are harmless to humans (though they pack a painful bite).

youdao