List: TOCFL 6

rural area, countryside, village

1. air, sky
2. airborne, aerial

1. once
2. as soon as, immediately after

1. occasion, situation
2. opportunity, chance

1. specialised, specialized
2. expert in, proficient at

1. fluent, smooth-flowing
2. articulate, eloquent

1. thick, dense
2. strong, concentrated (e.g. for flavours or colours)

1. as much as possible, to the greatest extent
2. try one’s best

1. give up, abandon, renounce
2. relinquish, forgo

writer, author