1 to understand

2 to realize

3 to find out

1 a row

2 a line

3 to set in order

4 to arrange

5 to line up

6 to eliminate

7 to drain

8 to push open

9 platoon

10 raft

11 classifier for lines, rows etc

1 to rank (1st, 2nd etc)

2 ranking

1 to rank

2 ranking

3 seniority (among siblings)

1 to line up

1 lit. to know one and understand half (idiom); a smattering of knowledge

2 dilettante

3 amateur

1 lit. not requiring a detailed understanding (idiom); only looking for an overview

2 not bothered with the details

3 superficial

4 content with shallow understanding

1 to stand one's ground against the opinion of the masses (idiom)

1 to be good at understanding others (idiom)

1 to be at a loss (idiom)