in line

Từ điển WordNet v3.1 - WordNet Dictionary

I - adjective

1. being next in a line of succession (Freq. 1)
- he was in line for the presidency
• Similar to:
succeeding
2. awaiting something;
especially something due
- people were in line at the checkout counter
- she was in line for promotion
• Similar to:
eligible

II - adverb

one behind another in a line or queue (Freq. 1)
- they waited in line for the tickets