Nàge shòuruò de háizi xūyào hǎohǎo bǔchōng yíngyǎng.
That thin and weak child needs to get proper nutrition.
Tā suīrán shēntǐ shòuruò, dàn yìzhì què shífēn jiānqiáng.
Although she is frail in body, her willpower is extremely strong.
Shēngbìng zhīhòu, tā biàn de gèngjiā shòuruò le.
After his illness, he became even thinner and weaker.
