difficult (to...); problem; difficulty; difficult; not good

disaster; distress; to scold

to feel sad; to feel unwell; (of life) to be difficult

(idiom) hard to believe; incredible

hard to (predict, imagine etc)

to feel unwell; to suffer pain; to be difficult to bear

(it's) no wonder (that...); (it's) not surprising (that)

seldom; rare; hard to come by

ugly; unsightly

hard to take; embarrassed

refugee

difficult problem

unforgettable

unpleasant to hear; coarse; vulgar; offensive; shameful

(of pain or hardship) hard to bear

unpalatable

degree of difficulty

Is it possible that ... ?

embarrassed

hard to deal with; hard to get along with

hard to avoid; difficult to escape from; will inevitably

unpleasant smell; stink

(usu. of people) difficult; demanding; troublesome; unreasonable; hard to deal with

hard to tell (i.e. hard to judge or hard to predict); cannot bring oneself to say it

difficulty; crisis

hard to endure; unbearable

refugee camp

difficult to understand

trouble; difficulty; problem

to be too embarrassed to mention sth (idiom); to find it hard to speak about sth

to baffle; to confound; to stump

elusive; hard to pin down; enigmatic

to bother; to press sb, usu. to do sth; it's a tough job; sorry to bother you (polite, used to thank sb for a favor)

difficult birth; (fig.) difficult to achieve

rarely seen

hard to say; can't guarantee; difficult to protect; difficult to preserve

to baffle; to stump

unpleasant to drink

character that is difficult to recognize or write

hard to play (of music for stringed instrument)

hard to endure (hot weather, itchiness etc)

trying; difficult

difficulty; degree of difficulty or ease

hard to fathom

difficulty

Classic on Medical Problems, c. 1st century AD; abbr. for 黃帝八十一難經|黄帝八十一难经[Huang2 di4 Ba1 shi2 yi1 Nan4 jing1]

hard to pass

hard to solve; hard to dispel; hard to understand; hard to undo

hard to remember