0 having a small distance between two opposite sides -- 薄的;細的
1 (of the body) with little flesh on the bones -- (身體)瘦的,不肥的
3 having only a small number of people or a small amount of something -- 數量少的
4 (of a liquid) flowing easily -- (液體)稀的,不黏稠的
a thin soup 稀湯
6 to make a substance less thick, often by adding a liquid to it -- 使變稀,稀釋
7 When a crowd or a group thins (out), it becomes fewer in number, and when you thin (out) a group of plants or other things, you remove some to make them fewer. -- (使)變少