非得

gàn zhè huó fēi děi dǎn zi dà

干这活非得胆子大。

You've got to be daring to do this job.

zuò jiào duì gōng zuò fēi děi zǐ xì

做校对工作非得仔细。

You've got to be very careful when you do proofreading.

zhè bìng fēi děi mǎ shàng kāi dāo

这病非得马上开刀。

This disease calls for an immediate operation.

tā de bìng hěn zhòng fēi děi mǎ shàng sòng yī yuàn

他的病很重，非得马上送医院。

He's seriously ill and must go to the hospital immediately.

fēi děi lì mǎ jiě jué

非得立马解决

have to be solved immediately

xué hǎo wài yǔ fēi děi xià gōng fu

学好外语非得下功夫。

The mastery of a foreign language calls for painstaking efforts.

wèn tí fēi děi mǎ shàng jiě jué bù kě

问题非得马上解决不可。

The problem calls for immediate solution.

gàn zhè huó fēi děi zǐ xì

干这活非得仔细。

You've got to be careful when you do this job.