Similarly, we explain many usability concerns as "it's an external component" or "it's a bell and whistle."

同样的，我们解释了很多关于“它是一个外部组件”或者“它是一个钟表或者汽笛”的可用性。

youdao

The engine gave short calls with its whistle, and frequently the bell rang.

机车的汽笛发出短促的呜呜声，车铃也不时地响着。

youdao

Mostly (sic) importantly the kettle's bell does NOT ring and its whistle volume is extremely low!

最重要的是，那个茶壶铃会不响，而且它的声音特别小！

youdao

Some tend to include every bell and whistle, such as huge screens and DVD drives.

WSJ: Laptops Bring Along Bewildering Options

Built on the NationBuilder platform, a startup that has been catering to smaller organizations looking for less expensive "campaign in a box" tools, NewtHampshire has every bell and whistle you could ask for: user profiles, badges to reward volunteer activity, tracking links so users can monitor their own progress recruiting others, event hosting tools and a public leaderboard to spur activity.

CNN: Is Gingrich's 'NewtHampshire' site too little, too late?