我需要办理护照。
wǒ xūyào bànlǐ hùzhào 。
I need to handle the passport.
请您在窗口办理登记手续。
qǐng nín zài chuāngkǒu bànlǐ dēngjì shǒuxù 。
Please handle the registration procedures at the window.
他们正在办理贷款申请。
tāmen zhèngzài bànlǐ dàikuǎn shēnqǐng 。
They are currently handling the loan application.