老是

tā lǎo shì gěi tā de péng you fā duǎn xìn

她老是给她的朋友发短信。

She's always text messaging her friend.

nà xiē gǒu lǎo shì wǎng qiáng shang cèng liú xia le wū jì

那些狗老是往墙上蹭，留下了污迹。

The dogs are always rubbing against the wall and making dirty marks.