keep to

US /kiːp tuː/
UK /kiːp tuː/
"keep to" picture
1.

遵守, 堅持

to obey a rule or to continue to do something without changing

:
You must keep to the speed limit.
你必須遵守速度限制。
Let's keep to the original plan.
我們還是堅持原計畫吧。