While the company's financial reports were improving, a number of vehicle recalls signalled that its famed quality was slipping, and Mr. Toyoda began to sound the warning bell.

虽然丰田公司的财报有所好转，但多起车辆召回事件表明丰田的高质量声誉正在下滑，丰田章男也开始敲响警钟。

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When the bell rang, a nasal buzzing sound, a gangly boy with skin problems and hair black as an oil slick leaned across the aisle to talk to me.

铃声响了起来，一个嗓音尖细，身材瘦长，满脸粉刺的黑发男孩像油一样滑行冲过过道来和我说话。

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In that experiment, Ledoux conditioned rats to fear a bell by ringing it in time with anelectric shock until the rats froze in fear at the mere sound of thebell.

试验中，勒杜按时闹铃并且电击老鼠直到它们一听到铃声就吓得僵住。

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Just as Pavlov's dog learned to associate the sound of a bell ringing with dinnertime, rats can learn to associate flashes of light with how long they must wait to receive a sip of water.

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Unless you've changed the default settings on your email, you are treated to a pop-up message, the sound of a bell, or a counter that signals your growing number of unread messages.

CNN: A New Year's resolution for the workplace

Pavlov's early experiments on reflexes trained dogs to salivate at the sound of a bell, by ringing one every time they were fed with meat.

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