一鳞半甲
yī​lín​bàn​jiǎ

bits and pieces

  1. 一 yī numeral
    one
    one; the number 1; single; alone
  2. 鳞 鱗 lín noun
    scales
    The thin, bony, or horny plates that cover the skin of fish, reptiles, and some mammals.
  3. 半 bàn
    very little
    (bound form) a tiny amount; the least bit
  4. 甲 jiǎ noun
    shell
    (bound form) A protective hard outer covering of an animal, such as a carapace or scales; also refers to armor plating on vehicles or equipment