a.

1. 脆弱的；易损坏的；轻薄的
   She felt cold in her flimsy dress.

   她穿着单薄的衣服觉得很冷。

2. （借口、辩解等）浅薄的，不周密的
   He made a flimsy excuse.

   他说了一个站不住脚的借口。

n.

1. 薄纸；复写纸；打字纸[C]

adj.

1. weak and insubstantial.
2. light and thin:
   a flimsy garment.
3. (of a pretext or account) weak and unconvincing.

n.