keep to

柯林斯词典

1. PHRASAL VERB If you keep to a rule, plan, or agreement, you do exactly what you are expected or supposed to do. 遵守
You've got to keep to the speed limit. 你必須遵守限速的槼定。
2. PHRASAL VERB If you keep to something such as a path or river, you do not move away from it as you go somewhere. 不偏離
Please keep to the paths. 請不要偏離道路。
3. PHRASAL VERB If you keep to a particular subject, you talk only about that subject, and do not talk about anything else. 不偏離 (主題)
Let's keep to the subject, or you'll get me too confused. 喒們不要離題，否則你會把我弄得很糊塗。
4. PHRASAL VERB If you keep something to a particular number or quantity, you limit it to that number or quantity. 把…侷限於
Keep costs to a minimum. 把成本控制到最低。