The boy wanted to BE a signalman on the railway, but could not BE a accepted for the post as he was colour blind and could not tell read from green.

这个男孩想在铁路当名信号员，但是没有录取因为他患有色盲，分不清红色和绿色。

youdao

Her father, who was a railway signalman at the time of her birth, decided to make the uncommon step-up to becoming a schoolmaster.

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The signalman had almost 19 years railway experience, all of which had been as a signaller at Moreton-on-Lugg, the report found.

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Overhead, a giant walkway will take visitors over the signalman's cottage, revealing a vast model railway inside.

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