我 wǒ 敢打包票 bāo piào ,他 tā 一定 yīdìng 会 huì 准时 zhǔnshí 来 lái .

I guarantee that he will come on time.

她 tā 从不 cóng bù 准时 zhǔnshí ,做事 zuò shì 无 wú 头绪 tóu xù ,简直 jiǎnzhí 无可救药 yào .

She never gets anywhere on time. She's hopelessly disorganized.

某些 mǒu xiē 脉冲 mài chōng 星 xīng 发送 fā sòng 脉冲 mài chōng 比 Bǐ 地球 dìqiú 上 shǎng 最 zuì 精确 jīngquè 的 de 时钟 shí zhōng 都 dōu 准时 zhǔnshí 。

Some pulsars keep time better than the earth's most accurate clocks.

他们 tā men 在 zài 9点钟 diǎn zhōng 准时 zhǔnshí 吃 chī 早饭 zǎo fàn 。

At nine o' clock on the dot, they have breakfast.