使不得

zhè zhī bǐ huài le shǐ bu de le

这支笔坏了，使不得了。

This pen is broken, and it can't be used.

gōng zuò tiáo jiàn biàn le lǎo fāng fǎ yě shǐ bu de le

工作条件变了，老方法也使不得了。

Work conditions have changed. The old ways are now useless.

zhè kuài shǒu biǎo shǐ bu de le

这块手表使不得了。

The watch can't be used any more.

nǐ de bìng gāng hǎo zǒu yuǎn lù kě shǐ bu de

你的病刚好，走远路可使不得。

You've just recovered from a disease, and mustn't walk too far.

zhè yàng bàn shǐ bu de

这样办使不得。

This way won't work.

míng tiān jiù yào kǎo shì le jīn wǎn kàn diàn yǐng kě shǐ bu de

明天就要考试了，今晚看电影可使不得。

There's an exam tomorrow and we mustn't go to the movie tonight.