This is the Rachel's English 30-Day Challenge! Learn 30 phrasal verbs in 30 days!
Jumpstart your vocabulary in 2017.
This is Day 4 of your 30-day challenge.
Today, we'll be learning phrasal verbs with " pin" .
When you pin something down, it has nothing to do with pinning something up.
We usually use the phrase 'to pin something down' in the negative:
I can't pin it down.
That means, I can't understand or identify something.
There's something strange about him, but I can't quite pin it down.
I can't quite figure out what is strange about him.
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