keep to
1．stick to；adhere to；abide by 固守；遵守；坚持
He always keeps to his promises．他总是坚守诺言。
He still keeps to his first resolution．他仍坚持他最初的决定。
It is necessary for us to keep to the style of hard struggle and plain living．我们很有必要保持艰苦朴素的作风。
Whatever your argument， I shall keep to my decision．不管你怎么争辩，我都将坚持我自己的决定。
2．stay in 呆在某处
He has decided to keep to his bed．他决定躺在床上。
When he is in a bad temper，he always keeps to her room all day．当他脾气不好时，就整天闷在自己的房间里。
The weather is so terrible that most people are forced to keep to the house．天气太糟糕了，大多数人都被迫呆在家里。
3．bear towards 靠向
When driving we keep to the right and overtake on the left．驾驶汽车时，我们靠右边走，超越前面的车时，应当从左边走。
In China，traffic keeps to the right．在中国，车辆是靠右行驶的。
4．not deviate from；limit oneself to 使不偏离；限制在（某话题、某范围内）
Let's keep to the subject since we don't have much time．我们不要离题，因为我们没有太多时间了。