Eng: Hard to

Hard to believe

難以置信

Hard to come by

難得

Hard to cover up

難掩

Hard to detect

晦弱隱微

Hard to endure

難過

Hard to find

罕覯

難得

Hard to hide

難掩

Hard to not be convinced

很難不懾服

Hard to not be impressed

很難不懾服

Hard to read

很難讀

Hard to swallow

難以入口的

Hard to take

難耐