On the 20th of that month, Dr. Welch examined a sick boy, Billy, and knew he had diphtheria, a deadly infectious disease mainly affecting children.

在那个月的20号，韦尔奇博士检查了一个生病的男孩比利，得知他患了白喉，一种主要影响儿童的致命传染性疾病。

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In a beautiful room lay a sick boy on a silken couch.

漂亮的房间里，一个病男孩躺在柔软的沙发上。

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One house contained a dead boy whose father, the only family member left, was too sick to bury him.

其中的一户人家，孩子已死去多时，父亲是仅存的家庭成员，但因为患病太重，连掩埋儿子尸体的力气都没了。

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Oberon had voiced a fear that the boy was sick for human things, that the cancer in his blood was only a symptom of a greater ill that he was homesick unto death.

NEWYORKER: A Tiny Feast

It took them both a long time to understand that the boy was sick, though she would point out that she had been the first to notice that he was unhappy, and had sought to remedy his discontent with sweeter treats and more delightful distractions.

NEWYORKER: A Tiny Feast

Brown recalls a nativity play in which the boy playing Herod was off sick.

BBC: Memory and method: In praise of learning by rote