一丁点儿

一丁點兒
yīdīngdiǎnr
  1. (Mandarin) Erhua form of 一丁點／一丁点 (yīdīngdiǎn, “a tiny bit”).
  2. Erhua form of 一丁點／一丁点 (yīdīngdiǎn, “a tiny bit”).

Wiktionary

Entry Composition

1 一丁点 yīdīngdiǎn a tiny bit
=2 儿 ér
  1. child
  2. son
=2 儿 r
  1. non-syllabic diminutive suffix
  2. retroflex final