YOU SAID:
cows eat cumbersome cucumbers
INTO JAPANESE
牛は面倒なきゅうりを食べる
BACK INTO ENGLISH
cow eats troublesome cucumber
INTO JAPANESE
面倒なキュウリを牛が食べる
BACK INTO ENGLISH
A cow eats a troublesome cucumber
INTO JAPANESE
厄介なキュウリを牛が食べる
BACK INTO ENGLISH
cow eats nasty cucumber
INTO JAPANESE
牛は厄介なキュウリを食べる
BACK INTO ENGLISH
cow eats nasty cucumber
That didn't even make that much sense in English.