chalk

chalk1 [ tʃɔk ] noun

uncount a type of soft white stone

a. count or uncount a stick of white or colored chalk, used for writing or drawing, especially on a chalkboard

chalk

chalk 2 [ tʃɔk ] verb transitive

to write or draw something with chalk:

An X was chalked on the fence marking the spot.

,chalk `up phrasal verb transitive

1. ) to score points or achieve success in a game:

In 1989, she chalked up the first of her five successive championships.

a ) to achieve a particular level or number:

He has already chalked up over 100 hours of solo flying time.

The stock market fell back after chalking up record gains.

2. ) AMERICAN to consider something as having a particular cause: ATTRIBUTE:

Low voter turnout was chalked up to a dull campaign.

chalk something up to experience

to consider something bad that happens to you as an experience that will help you to deal better with similar situations in the future