He's severely ill and hasn't many days left, so he prepares his will in advance.
Examples (Wiktionary)
Mandarin
违反医嘱
違反醫囑
wéi fǎn yī zhǔ
to be against medical advice
Mandarin
他遵照医生的嘱咐。
他遵照醫生的囑咐。
tā zūn zhào yī shēng de zhǔ fù .
He followed the advice of the doctor.
Mandarin
遗嘱检验法庭
遺囑檢驗法庭
yí zhǔ jiǎn yàn fǎ tíng
probate court
Mandarin
立遗嘱
立遺囑
lì yí zhǔ
to make a will
Mandarin
否则你的劳动就没有对象,你就只能做鲁迅在他的遗嘱里所谆谆嘱咐他的儿子万不可做的那种空头文学家,或空头艺术家。
否則你的勞動就沒有對象,你就只能做魯迅在他的遺囑裏所諄諄囑咐他的兒子萬不可做的那種空頭文學家,或空頭藝術家。
fǒu zé nǐ de láo dòng jiù méi yǒu duì xiàng , nǐ jiù zhǐ néng zuò lǔ xùn zài tā de yí zhǔ lǐ suǒ zhūn zhūn zhǔ fù tā de ér zi wàn bù kě zuò de nà zhǒng kōng tóu wén xué jiā , huò kōng tóu yì shù jiā .
Otherwise, you will have nothing to work with and you will be nothing but a phoney writer or artist, the kind that Lu Hsun in his will so earnestly cautioned his son never to become.