'difficult'はこちらの項目にも見つかりました。
英語の見出し語に対する説明:
a bit of a mess
- a hard one
- a piece of work
- adverse circumstances
- armlock
- awkward
- bad time
- baffler
- balky
- baptism by fire
- bastard
- be a handful
- bear
- bear up
- bind
- brain surgery
- bumpy ride
- challenge
- complicate
- cow
- cumbersome
- dense
- devil
- dilemma
- dragon
- ease the situation
- easier said than done
- easy
- elusory
- fathomless
- fire resistant
- fuck
- grapple
- hairy
- hampered
- hard
- hard going
- hard job
- hard knock
- hard to find
- hard to gauge
- hard-pressed
- hard-pushed
- harder
- harshness
- hassle
- have a hard time
- headache
- heavy
- how-do-you-do