Making great mental demands, hard to comprehend or solve or believe
English: baffling, elusive, knotty, problematic, problematical, tough
elusive, baffling, knotty, problematic, problematical
English: baffling, elusive, knotty, problematic, problematical, tough
English: elusive
Bahasa: sukar
English: elusive, subtle
Bahasa: sukar
English: elusive