至今

tā huí jiā yǐ hòu zhì jīn réng méi yǒu lái xìn

他回家以后至今仍没有来信。

I haven't heard from him since he went home.

wǒ men zhì jīn hái wèi jiē dào rèn hé zhǐ shì

我们至今还未接到任何指示。

To date, we have not received any instructions.

wǒ zhì jīn hái wèi dé dào tā de dá fù

我至今还未得到他的答复。

So far I've had no reply from him.

wèi shén me tā zhì jīn hái méi yǒu dào

为什么他至今还没有到？

Why hasn't he arrived yet?

wèn tí zhì jīn réng wèi jiě jué

问题至今仍未解决。

Up to now, the problem hasn't been solved.

yuán zǐ néng zhì jīn réng wèi guǎng fàn yìng yòng yú gōng yè huò rì cháng shēng huó fāng miàn

原子能至今仍未广泛应用于工业或日常生活方面。

Atomic energy has not been widely used in industry or in our daily life so far.

pàn luàn fèn zǐ zhì jīn wèi néng bǎ zǒng tǒng gǎn xià tái

叛乱分子至今未能把总统赶下台。

The rebels have so far failed to dislodge the president.

zhè xiē gù shi xiāng chuán zhì jīn yǐ hǎo jǐ dài

这些故事相传至今已好几代。

These stories have come down to us through many generations.