Number + 点
十点 (shí diǎn) means 'ten o'clock.' It follows the standard Chinese time-telling pattern of number plus 点. It can be used on its own or combined with minutes for a more specific time.
会议定在上午十点开始。
Huìyì dìng zài shàngwǔ shí diǎn kāishǐ.
The meeting is scheduled to start at ten in the morning.
十点了,商店应该开门了吧。
Shí diǎn le, shāngdiàn yīnggāi kāimén le ba.
It's ten o'clock — the store should be open by now.
我通常十点左右睡觉。
Wǒ tōngcháng shí diǎn zuǒyòu shuìjiào.
I usually go to bed around ten.