–TO KEEP UP
–TO LOOK UP
UP USES UP EXAMPLES
2. in an approaching direction The boy ran to us
3. completion He used the coal up
4. emphasis Speak up! Hurry up!
To hold something in a high position
She held up her hand for silence
To keep up:
To move at the same speed as someone
Try to keep up!
To look up:
To find the meaning of a word by looking in a book, list or computer
I didn´t know what “loquacious” meant and had to look it up in a dictionary