虞 is a Chinese hanzi, listed here under the keyword “concerned about”. It is built from 虍 (tiger) and 吴 (name of warring state). It appears as a component in 3 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “tiger” + “name of warring state”. 虞 is among the results, together with every other character containing the same shapes.
Open 虞 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.