wǒ zài huí fù tā de qiú zhí shēn qǐng
I'm responding to his job application.
wǒ xiǎng shēnqǐng dǐyā dàikuǎn
I would like to apply for a mortgage.
wǒ xiǎng shēn qǐng nà jiā gōng sī de gōng zuò
I would like to apply for a job at that company.
wǒ xiǎng shēnqǐng dàikuǎn
I would like to apply for a loan.