这个身体虚弱的孩子没能活下来。

This frail child did not survive.

youdao

破伤风致使其一子夭折；另一子则因腹泻而身体虚弱，可能是因为孩子出生后母子须分隔一月的风俗所导致的。

Tetanus killed one of her children in infancy; another is weak from diarrhoea, caused probably by the custom of keeping mother and baby isolated for a month after birth.

youdao

这些问题在男孩子当中更加普遍，尤其是那些在婴儿时期遭受了神经组织损伤，或者身体虚弱到需要通过供氧来维持生命的男孩子们。

These problems were more common among males, those with injured nerve tissue in the brain and those who had been given oxygen supplies for days as a baby.

youdao