1 to look over

2 to examine

3 to check up

4 to ferret out

1 research

2 a study

3 classifier: 项 xiàng

4 to research

5 to look into

1 to examine

2 to investigate

3 to censor out

4 censorship

1 surname Zha

1 to search for

2 to look up

1 open enquiries and secret search (idiom); to investigate openly and in secret

2 taking information from all sides

1 lit. to examine roots and inquire at the base (idiom); to get to the bottom of sth

1 to trace something to its source (idiom)