The clock is simply for ornament; it doesn't work any more.

这架时钟纯属摆设，它再也不走了。

《牛津词典》

The factory clock became the symbol of the new work rules.

工厂的钟成了新工作规则的象征。

youdao

Also, skilled artisans did not work by the clock, at a steady pace, but rather in bursts of intense labor alternating with more leisurely time.

同时，技艺纯熟的工匠师傅们并不会按照时间来稳步地安排工作，他们更喜欢享受更多闲暇时间与集中赶工相交替的生产方式。

youdao

The workers would come into this store at seven oclock in the morning and work until twelve oclock at night.

VOA: special.2010.03.03

For many years after Mister Harrison's work was completed, the idea of using a clock to learn longitude was rejected.

VOA: special.2010.07.14

For Buck the breakthrough represented the payoff for three years of round-the-clock work in the lab at Columbia.

FORBES: Magazine Article

In spite of round-the-clock work, progress on boring a huge tunnel into the earth was not up to mark.

FORBES: Delhi's Subway Builder

Commanders at Creech say that if there is stress, it comes from relentless around-the-clock shift work.

CNN: Remote warfare ushers new kind of stress