难 is a simplified Chinese hanzi, listed here under the keyword “difficult”. It is built from 又 (and) and 隹 (short-tailed bird). It appears as a component in 4 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “and” + “short-tailed bird”. 难 is among the results, together with every other character containing the same shapes.
Open 难 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.